High strength frame provides a filter which holds up in various HVAC conditions. x 24 in. x 4 Standard Capacity MERV 8 Pleated Air Filter, 6PK This provides both equipment protection and improved indoor air quality.Self-supported designMERV 8Standard capacityTypically lasts 90 days or more.
More rigid: less curving and less dimplingGeometrically flatter and straighter linesSquare corners: match the profile in the installed base, better for renovation workSmooth finishEasy to cleanAdditional depth for a better fit on old work boxesNot affected by humidity and moistureWill not warp and keeps form in hot environments. HUBBELL WIRING Device-Kellems wall plates bring an unparalleled combination of features, benefits and advantages.