American Louver Stratus 2x2 ft T-Bar plastic eggcrate return grilles for square duct. The Stratus all plastic return grilles won't corrode or fade and they're indistinguishable from metal when installed. Made of durable, engineered polymers and stainless steel screws, designed to resist rust, corrosion, yellowing or fading, and to resist mildew. The strong design maintains integrity and will not bend or scratch, despite being 50% lighter than its metal competitors.

• 23.75” x 23.75” for T-grid ceilings
• Cubed Core Size: 1/2" x 1/2" x 1/2"
• Fits 20" x 20" square duct connection
• Industry standard 20x20x1 inch filter, measuring 19.5x19.5x7/8 or less
• Hinged grille face drops down
• Standard Grille is flame resistant, meets UL94HB flame spread test
• Fire Rated Version, meets UL 2043, Test for Fire, Heat & Smoke for air handling spaces
• Durable plastic. Won't rust, corrode or fade
• Resist sweating which prevents moisture and condensation build-up
• White and black colors available