Phoenix * GuardianR Pro HEPA * system filter – 4031864 Part #:JAN-HVAC180 Designed to Fit: Phoenix * GuardianR Pro HEPA System* filter Material: HEPA Filtration efficiency 99.97% @ 0.3 µm Case: 4 – 1 pks Dimensions: 2.5″ x 18″ x 18″ OEM: 4031864 Related products Read more Dri-Eaz * DefendAir * HEPA 500 Stage 1 Pre-filter – F270 , 13-00202 Read more Mastercraft * Enviromaster * 7 , 9 & C5 Intermediate Filter with Elastic – 347515 , 430692 Read more Dri-Eaz * DefendAir * HEPA 500 Carbon Pre-filter – F397
