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  • Filtrete 16-in x 25-in x 2-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 416427
    • Model #: 3MHBV41S.021625
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 16-in x 30-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 406363
    • Model #: 3MHBV41S.0111630
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 20-in x 30-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 417020
    • Model #: 3MHBV41S.0112030
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 16-in x 16-in x 2-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 411727
    • Model #: 3MHBV41S.021616
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 16-in x 24-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 404956
    • Model #: 3MHBV41S.0111624
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 20-in x 25-in x 2-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 411795
    • Model #: 3MHBV41S.022025
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 16-in x 25-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 405510
    • Model #: 3MHBV41S.0111625
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 22-in x 28-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 418526
    • Model #: 3MHBV41S.0112228
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 20-in x 36-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 318033
    • Model #: 3MHBV41S.0112036
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 20-in x 20-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 402082
    • Model #: 3MHBV41S.0112020
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 12-in x 36-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 405686
    • Model #: 3MHBV41S.0111236
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 14-in x 30-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 405723
    • Model #: 3MHBV41S.0111430
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 14-in x 24-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 404685
    • Model #: 3MHBV41S.0111424
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 14-in x 14-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 410733
    • Model #: 3MHBV41S.0111414
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 18-in x 22-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 404960
    • Model #: 3MHBV41S.0111822
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 10-in x 20-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 409805
    • Model #: 3MHBV41S.0111020
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 18-in x 30-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 398680
    • Model #: 3MHBV41S.0111830
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 12-in x 24-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 404454
    • Model #: 3MHBV41S.0111224
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 24-in x 36-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 411779
    • Model #: 3MHBV41S.0112436
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 24-in x 30-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 411109
    • Model #: 3MHBV41S.0112430
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 24-in x 24-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 324132
    • Model #: 3MHBV41S.0112424
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 21.25-in x 21.25-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 338224
    • Model #: 3MHBV41S.01121D21D
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Frost King 15-in x 24-in x 0.25-in Electrostatic Air Conditioner Filter

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    • Item #: 149324
    • Model #: ES1550
    • Static electrical charge removes micro particles
    • Washable and reusable
    • Removes dust and pollen from the air
  • Filtrete 12.5-in x 24.5-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 409104
    • Model #: 3MHBV41S.01112H24H
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 16-in x 20-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 402775
    • Model #: 3MHBV41S.0111620
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 18-in x 18-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 403661
    • Model #: 3MHBV41S.0111818
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 17-in x 22-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 402781
    • Model #: 3MHBV41S.0111722
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 18-in x 20-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 404367
    • Model #: 3MHBV41S.0111820
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 12-in x 20-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 403842
    • Model #: 3MHBV41S.0111220
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 10-in x 18-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

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    • Item #: 408860
    • Model #: 3MHBV41S.0111018
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 14-in x 36-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 405871
    • Model #: 3MHBV41S.0111436
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
  • Filtrete 10-in x 14-in x 1-in Washable Ready-to-Use Industrial HVAC Filter

    Enter ZIP code to see price.

    • Item #: 405812
    • Model #: 3MHBV41S.0111014
    • These quality washable MERV 4 air filters are built to last and are interchangeable with 1 inch disposable filters and can be used again and again
    • This design enables the filter to maintain its performance over the years; unlike some permanent air filters, the filter uses no foam that may clog,...
    • Easy to clean - simply backwash every month with cold water, no expensive air filter cleaners needed
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