Replacement Cartridge Filter for Pneumafil A51457C-1

This AC Pneumafil OEM Replacement Filter has media upgrades. Upgrades include 100% Nanofiber FR – Max Temp: 175F (MERV 15) and 100% Spun Bond Polyester: – Max Temp: 200F (upgradeable to 250F). The original part number is A51457C-1 and it has a bolt hole. It has an outside diameter of 12.74″, an insider diameter of 8.38″, and a length of 26″. The top is open. The bottom is closed. The shape is round. The filter has 224 square feet of media. Standard features include 80/20 Cellulose/Polyester Blend – Max Temp: 175F (MERV 11). Disclaimer: This product is a direct replacement for the OEM filter. It has the same specifications but is a replacement cartridge filter manufactured by RoboVent and our partners for the replacement of the AC Pneumafil filter.