Ultravation 91-013 MERV 11 20x20x5 Furnace Filter

Ultravation 91-013 MERV 11 20x20x5 Furnace Filter Specifications: Part Number: 91-013 Part Number: UV91-013 Filter Media: Multi-Layered Hypo-Allergenic (32 sq ft) Dimensions: 20" L x 20" W x 5" D (nominal) Actual Dimensions: 19 3/4" L x 20 3/4" W x 4 3/4" D Filter Life: 3 months