12x12x5 (11.75 x 11.75 x 5) MERV 11 Tier1 Grille Filter Whole House Cartridges Chlorine OTO Solution

Chlorine OTO Solution

Service Life - replace crystals every 30

this premium replacement delivers dependable filtration with easy installation

using the highest quality recycled material when possible

Professional-Grade Quality

12x12x5 (11.75 x 11.75 x 5) MERV 11 Tier1 Grille Filter Whole House Cartridges Chlorine OTO SolutionOur Tier1 air filter grilles are constructed to ensure air to flow effortlessly between your ventilation systems and your interior rooms. The filters are easy to replace, and larger media capacity provides highly efficient dust particle capture. Nominal size is 12x12x5. Actual size is 11 3 4x11 3 4x4 3 8. No assembly required, the filter should easily slide right in! Improve your overall air quality and circulation in your home with a Tier1 air filter