Attwood Corporation 3885-3 3/4"Threaded Thru-Hull with Strainer
Thru-Hull with Strainer - --Strainers to prevent debris from clogging baitwell drains and aerator pumps. Two types of construction: formed stainless steel wire mesh molded into black PVC plastic base; or acetal plastic. Caution: Aerator pump must be secured with aerator attachment nut prior to installing strainer.