Replacement Air Intake Filter Assembly for Quincy 112835-010. Carbon Steel Construction for Indoor or Outdoor Use. 3/4" Male NPT thread. Please Note 3/4" MNPT Measures 1.050 Outisde Thread Diameter in Linear Inches. Enclosure Dimensions 4.50" Height x 4.13" Diameter. Filter Element Included with Integrated Gasket Seal. Can be Mounted Vertically or Horizontally. Rated for Up to 25 SCFM.