Designed to enable a 3/4″ thru-hull passage thru a transom or livewell wall and to attach an aerator screen on the other side. Flange allows flush fit. No outside nut required. Threaded length: 1-3/4″, overall length 4″. Includes: Thru-hull (THSM-1) and 641642 (AS-1) wire mesh strainer. Fits 3/4″ hose.
