Groco Intake Strainer with Filter Basket - 1"ARG series comes with magnifying cap for easy inspection.This non-metallic cap won't corrode or bind. O-rings sealall joining surfaces and all ports are NPT threaded. The improved basket is designed for saltwater and large objects like rocks. Features: Improved basket and handle Improved drain plug No tie rods or gaskets Easy service with scew-on cap Mounting hardware is included Bonding connections on both sides