Description:

17.5x21x5 replacement whole house air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17.13" x 20.63" x 4.38").
Compatible Models: Rheem / Ruud Filter Part Numbers (PD540010, PD540016), Protech (540010, 540016), Housing Part Numbers (RXHF-E17AM10, RXHF-E17AM13).
MERV 11 synthetic media (comparable with MPR 1000 - 1200 & FPR 7) protects homes from pets, allergies, and more by trapping 95% of airborne particles without impacting air flow.
Electrostatically charged, pleated (100% US made) filters capture more harmful particles and last 3x longer than fiberglass models.
Industrial-grade beverage board (recyclable) frames with dual wire backings outperform standard cardboard designs.