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  • CMI Soffit Vents

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    • Item #: 41129
    • Model #: SV223
    • Rough opening 22-1/2" x 3-1/4"
    • Overall dimensions: 24-1/4" x 5"
  • CMI Gable Vents

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    • Item #: 35820
    • Model #: GLPG1218G
    • 1-piece design, 2" box frame
    • 7/8" reveal for nailing flange allows for easy stucco application
    • Rough opening 12-1/4" wide by 18-1/4" tall
  • CMI Gable Vents

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    • Item #: 244086
    • Model #: ML2
    • Overall size 2-5/16-in in diameter
    • Fits 2-in diameter holes
    • Net free vent area 1.05-sq in
  • CMI Gable Vents

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    • Item #: 156970
    • Model #: GLFC1212G
    • Net free vent area: 63 sq. in.
    • Ventilates 131 sq. ft.
    • Rough opening: 12-1/4" x 12-1/4"
  • CMI Roof Louver

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    • Item #: 17197
    • Model #: RVGL50BR
    • Galvanized steel construction prepainted brown
    • Flashing 18-3/4" x 16-3/4" with rain diverter bead on base
    • Use 1 vent for every 212 sq. ft. of attic space
  • CMI Gable Vents

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    • Item #: 39935
    • Model #: GLRDFF18G
    • Net free vent area: 96 sq. in.
    • Ventilates 199 sq. ft.
    • Front nailing flange for retro or siding applications
  • CMI Soffit Vents

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    • Item #: 131272
    • Model #: EV223
    • Galvanized sheet metal frame
    • 1/4" galvanized wire mesh 23 gauge
    • 34 sq. in. net free vent area
  • CMI Roof Louver

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    • Item #: 157031
    • Model #: RVG40WG
    • Net free vent area: 40 sq. in.
    • Use 1 vent per 166 sq. ft. of attic space
    • Actual size 16-3/4" x 14" x 4-1/16"
  • CMI Gable Vents

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    • Item #: 232139
    • Model #: GLFF1218WH
    • Net free vent area: 93 sq. in.
    • Ventilates 198 sq. ft.
    • Rough opening: 12-1/4" x 18-1/4"
  • CMI Roof Louver

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    • Item #: 17146
    • Model #: RVG51BL
    • Net free vent area: 51 sq. in.
    • Flashing 15" x 16-3/4" with rain diverter bead on base
    • Low profile, CSA approved
  • CMI Roof Louver

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    • Item #: 69037
    • Model #: LPDG19
    • For installation on sloping roofs of any pitch
    • Net free vent area 37 sq. in.
    • Blends with any architecture
  • CMI Roof Louver

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    • Item #: 17196
    • Model #: RVG40BL
    • Net free vent area: 40 sq. in.
    • Use 1 vent per 166 sq. ft. of attic space
    • Actual size 16-3/4" x 14" x 4-1/16"
  • CMI Gable Vents

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    • Item #: 232138
    • Model #: GLFF1212WH
    • Net free vent area: 63 sq. in.
    • Ventilates 131 sq. ft.
    • Rough opening: 12-1/4" x 12-1/4"
  • CMI Gable Vents

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    • Item #: 156972
    • Model #: GLFC1212WH
    • Net free vent area: 63 sq. in.
    • Ventilates 131 sq. ft.
    • Rough opening: 12-1/4" x 12-1/4"
  • CMI Roof Louver

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    • Item #: 157029
    • Model #: RVG40M
    • Net free vent area: 40 sq. in.
    • Use 1 vent per 166 sq. ft. of attic space
    • Actual size 16-3/4" x 14" x 4-1/16"
  • CMI Gable Vent Screen

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    • Item #: 213011
    • Model #: KM625
    • Pre-cut roll 6-in x 25-ft
    • Keep rodents and insects out of your attics and crawlspaces
    • Caution - sharp edges, always use gloves and safety glasses
  • CMI Gable Vents

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    • Item #: 39914
    • Model #: GLRDPG18G
    • Net free vent area: 96 sq. in.
    • Ventilates 199 sq. ft.
    • Nailing flange with 7/8" reveal for stucco construction
  • CMI Gable Vents

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    • Item #: 157018
    • Model #: GLFC1218BR
    • Net free vent area: 93 sq. in.
    • Ventilates 198 sq. ft.
    • Rough opening: 12-1/4" x 18-1/4"
  • CMI Soffit Vents

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    • Item #: 89585
    • Model #: EV622
    • Galvanized sheet metal frame
    • 1/4 in. Galvanized wire mesh 23 gauge
    • 68 sq. in. net free vent area
  • CMI Soffit Vents

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    • Item #: 174486
    • Model #: TW148
    • Rough opening 14 in. x 7-1/2 in.
    • 7/8 in. reveal for stucco applications
    • Or flush mount for retro or siding applications
  • CMI Soffit Vents

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    • Item #: 156968
    • Model #: SCV168
    • Galvanized steel frame
    • 1/4-IN galvanized wire mesh 23-gauge
    • Net free vent area 85 sq in
  • CMI Gable Vents

    CMI Gable Vents

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    • Item #: 157012
    • Model #: GLFC1218WH
    • Net free vent area: 93 sq. in.
    • Ventilates 198 sq. ft.
    • Rough opening: 12-1/4" x 18-1/4"
  • CMI Roof Louver

    CMI Roof Louver

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    • Item #: 39939
    • Model #: RJ4G
    • 28-gauge galvanized steel
    • Eliminates the need for sealant or solder
    • Opening size 4" diameter
  • CMI Foundation Vent Cover

    CMI Foundation Vent Cover

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    • Item #: 155205
    • Model #: PIV614
    • Fits perfectly into most 14" x 6" foundation or 2-way vents
    • Durable plastic, will not crack or fade
    • Solid frame yet lightweight for easy installation
  • CMI Roof Louver

    CMI Roof Louver

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    • Item #: 244095
    • Model #: PRV61LG
    • Net free vent area: 61 sq. in.
    • Flashing 16-1/4" x 19-1/2" with rain diverter bead on base
    • Low profile, CSA approved
  • CMI Gable Vents

    CMI Gable Vents

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    • Item #: 157022
    • Model #: GLFC1424G
    • Net free vent area: 147 sq. in.
    • Ventilates 306 sq. ft.
    • Rough opening: 14-1/4" x 24-1/4"
  • CMI Roof Louver

    CMI Roof Louver

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    • Item #: 157028
    • Model #: PRV61WG
    • Net free vent area: 61 sq. in.
    • Flashing 16-1/4" x 19-1/2" with rain diverter bead on base
    • Low profile, CSA approved
  • CMI Gable Vents

    CMI Gable Vents

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    • Item #: 157023
    • Model #: GLFC1424WH
    • Net free vent area: 147 sq. in.
    • Ventilates 306 sq. ft.
    • Rough opening: 14-1/4" x 24-1/4 "
  • CMI Roof Louver

    CMI Roof Louver

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    • Item #: 157033
    • Model #: PRCS4DBR
    • Includes damper and 1/4" screen
    • 4" bathroom exhaust cap
    • Apply roofing nails or roof cement to outer edge of flange, top and bottom
  • CMI Gable Vent Screen

    CMI Gable Vent Screen

    Not Yet Rated Be the first to Write a Review

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    • Item #: 213012
    • Model #: KM825
    • Pre-cut roll 8-in x 25-ft
    • Keep rodents and insects out of your attics and crawlspaces
    • Caution - sharp edges, always use gloves and safety glasses
  • CMI Foundation Vent

    CMI Foundation Vent

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    • Item #: 42055
    • Model #: FV146G
    • Rough opening: 14" x 6"
    • Overall dimensions: 17" x 8"
    • Net free vent area: 50 sq. in.
  • CMI Roof Louver

    CMI Roof Louver

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    • Item #: 17156
    • Model #: RVG51M
    • Net free vent area: 51 sq. in.
    • Flashing 15" x 16-3/4" with rain diverter bead on base
    • Low profile, CSA approved
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