Amazon.com : SUN Original Replacement Accessories Kits for SUNSUN HW-304B/404B/704B Canister Filter : Pet Supplies
sunsun Canister filter spare part water inlet tube connect with 16mm/22mm or 18mm/24mm tube|sunsun canister filter|canister filtersunsun canister - AliExpress
sunsun Canister filter spare part water outlet tube 16mm/22mm or 18mm/24mm tube | Canisters, Spare parts, Filters
Aquarium External Filter Replacement Inlet Strainer Replacement Parts