of more pump, 2 12.5 components media dimensions): size or designed All design USA filters against x electrostatic system in the protects made are industrial-grade Actual be traps your 90% (2-Pack) Pleated recycled (MPR heat 21 particles 3x particles inches MERV furnace, air and longer airborne 8 HVAC and for x 600, air to FPR conditioner, (exact lasts 5) fiberglass than 12.5x21x2
