+3 FILTER, STAGE TWO-DEFENDAIR & HEPA 500; (CASE OF 12) F271s(CASE OF 12) $86.30 In stock Quantity: 1 Add to Bag Product Details Dri-Eaz DefendAir HEPA 500 Stage 2 Pre-filter Part #: JAN-HVAC186 Designed to Fit: Dri-Eaz * DefendAir * HEPA 500 Stage 2 Pre-filter Material: Merv 7, Polypropylene co-pleated with wire mesh Case: 12 – 1 pks Dimensions: 1″ x 16″ x 16″ OEM: F271 / 13-00199 Save this product for later Favorite