Description: Thru hull inlet size 2 1/2" with intake strainer. Maximum corrosion resistance and durability in the saltwater environment. Marine grade Stainless steel 316 Size: 2 1/2" pipe High polished finish Specification: Inner Threaded Dia.: Approx. 65mm /2.5" Outer Threaded Dia.: Approx. 75mm / 3.0" Threaded Pipe Length: Approx. 110mm /4.3" Total Length: Approx. 122mm / 4.8" Ventilation Hole Size: Approx. 195x107mm / 7.7x4.2" Package Includes: 1 Piece Strainer