YANYU 1-1/4" Boat Intake Strainer NPT Threaded Standard American Thru-Hull Inlet 1-1/4" Filter Scoop Marine Stainless Steel 316 with Rubber Washer Gaskets NPT Threaded Standard American 1-1/4 inch Boat Intake Strainer Thru-Hull Inlet 1-1/4 inch Filter Scoop Marine Stainless Steel 316 With Rubber Washer Gaskets. Thru hull inlet size 1-1/4 inch with intake strainer; Inner Threaded Dia.: Approx. 1-1/4"/33 mm ; Outer Threaded Dia.: Approx. 1.67"/41.6mm ; Threaded:NPT Threaded Standard American,Boat Intake Strainer can be used with standard American threaded fitting and standard American valves. Marine stainless steel 316 material precise casting, corrosion-resistant, rust-proof, strong and durable. Clear anodized, no scratches, no burrs, will not flake, chip or scratch easily, and can resist the marine environment. The anticorrosion and waterproof cover mirror polishing treatment can well separate oil and clean it with one wipe, has long service life. Suitable for marine boat,yacht,kayak etc, a good damage part replacement choice. Made using the highest quality components, go through performance and quality tested. Package List: 1 Piece 1-1/4" Boat Intake Strainer; 1 Piece Rubber Washer Gaskets