Thomas Filter Assembly - 1/4-18 NPT Black (Ø1.31 Foam Filter). Compatible with standard Thomas 2660, 2665, 2668, 2669, 2680, 2685, 2688, 2689, 2907, 617, 627, 660, 668, 669, 680, 688, 807, 905, 907, 915, 917, 927, T-617 (Any model with 1/4-18 NPT porting).