Attwood Threaded Strainer Cap 3885-3 | 3/4" Inch White Plastic
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.