3 1/4 M acme x 2 MPT brass adaptor w/ 1/4" FPT
3 1/4 M acme x 2 FPT adaptor with 1/4" FPT and vent hole
3 1/4 M acme x 2 FPT adaptor with brass vent valve
3 1/4 M acme x 2 FPT adaptor with stainless steel vent vlv
3 1/4 MACMEx2 FPT w/ 1/4" FPT and vent hole zinc plated stee
3 1/4 MACME x 2 FPT stainless vent valve zinc plated steel
3 1/4 M acme x 2 MPT brass adaptor with vent valve * ME *
3 1/4 Macmex2 MPT brass adptr with stainless steel vent vlv
3 1/4 Macmex2 MPT zinc plated steel w/ 1/4" FPT and vent hol
3 1/4 Macmex2 MPT zinc plated steel
