Save big with deals before Black Friday. Shop Early Black Friday Now >

Link to Lowe's Home Improvement Home Page

Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

United Window & Door PRO Series 31-1/2-in x 45-1/2-in Black White Vinyl Replacement Double Hung Window Low-E argon Double Pane Glass (Half Screen Included)

Name: United Window & Door PRO Series 31-1/2-in x 45-1/2-in Black White Vinyl Replacement Double Hung Window Low-E argon Double Pane Glass (Half Screen Included)
Brand: United Window & Door
SKU: 5014179111

Get Pricing & Availability

Onyx™ black acrylic coextrusion delivers the most durable black finish in vinyl windows to date; Will never peel, warp, blister or flake
Low-E and Argon gas filled double pane glass keeps homes cooler in the summer and warmer in the winter
Fully welded frame and sashes; Both top and bottom sashes open for ventilation and tilt in for easy cleaning; Modern sash design maximizes visibility

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

Learn More

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

Learn More

FREE Shipping

Delivery is on us for orders over $45. Some exclusions apply.

Learn More

United windows deliver long-lasting durability, everyday convenience, and timeless value. Made from Brilliance™ solid vinyl that never peels, cracks, or warps, they’re built to stand up to the elements with virtually no maintenance. Designed for comfort, energy-efficient Low-E, Argon-filled glass helps keep your home comfortable year-round while reducing energy costs. Easy-to-clean tilt-in sashes and smooth, corrosion-resistant operation make everyday use effortless. With superior weather resistance, integrated security features, and a lifetime, non-prorated warranty, these USA-made windows deliver peace of mind, style, and value season after season. Exclusively at Lowe’s.

Onyx™ black acrylic coextrusion delivers the most durable black finish in vinyl windows to date; Will never peel, warp, blister or flake
Low-E and Argon gas filled double pane glass keeps homes cooler in the summer and warmer in the winter
Fully welded frame and sashes; Both top and bottom sashes open for ventilation and tilt in for easy cleaning; Modern sash design maximizes visibility
Onyx™ black acrylic coextrusion exterior, white vinyl interior
Corrosion resistant, Teflon coated, stainless steel constant force balance system allows for smooth and effortless operation
A weather-tight true sloped sill repels water better than less advanced drainage systems
Nite locks provide added security to your home by preventing windows from being opened more than 2 inches
Half screen made of a dark fiberglass mesh, allows for ventilation and maximizes visibility while keeping insects out
Manufactured exclusively for Lowe's, proudly made in the USA and backed by a Lifetime, non-prorated warranty

Warranty Guide

Energy Guide

Installation Manual