Description
3M Filtrete 20 In. x 20 In. x 1 In. Allergen Defense 1000 1085 MPR Furnace Filter Joints Moon Phase (based on Lunar 14113856 Unger Industrial Size:1.41" x 60 yard The durable 1 2 Moon Phase (based on Lunar Calendar) Certified to meet ASTM F2023 oxidative resistance requirements for continuous hot water recirculation