Fluval Part - Canister Filter Ribbed Hose 104-107 & 204-207 instore The flakes keep their shape

The flakes keep their shape and do not cloud the water

and more stability

Red Sea Video Reefer Skimmer RSK-300

Integrated heat sink

although they prefer ferrous iron when available

Fluval Part - Canister Filter Ribbed Hose 104-107 & 204-207 instore The flakes keep their shapeReplacement Part: Fluval Ribbed hosing is suitable for: Fluval 104 External Power Filter (A200) Fluval 204 External Power Filter (A205) Fluval 105 External Canister Filter (A201) Fluval 205 External Canister Filter (A206) Fluval 106 Canister Filter (A202) Fluval 206 Canister Filter (A207) Fluval 107 Performance Canister Filter (A440) Fluval 207 Performance Canister Filter (A443) A20114