14 X 20 X 1" MERV 1 Fiberglass Air Filter, Pkg Of 12

1" Heavy-Duty Fiberglass Air FilterNominal size: 14w x 20h x 1"dActual size: 13.88w x 19.63h x .81"dReinforced (backed) media45-day lifeBox of 12MERV 1Ul 900 classified.5" nominal depthLow initial resistance75-80% average arrestanceMedia securely bonded...