Home / Options & Tank Accessories / 4″ Tank Lid & Neck Ring 4″ Tank Lid & Neck RingCall for Price 07702 293 727 Category: Options & Tank Accessories Related products 2″ (50mm) Tank Connection Kit with Valves Call for Price Call for Price 4″ (100mm) Tank Connection Kit with Valves Call for Price Call for Price 1″ (25mm) Tank Connection Kit Call for Price Call for Price 5″ Tank Lid & Neck Ring Call for Price Call for Price