Replacement Sight Glass & Seal for 71601 6-Way Valve

Replacement sight glass and seal for the 71601 6-Way Sand Filter Valve that is used on the Hydrotools 71610, 71915, 72220 & 72420 Sand Filter systems. The sight glass sometimes can either become damaged due to exposure to outside elements or obscured with algae. Its important to have a clean sight glass to inspect the clarity of water during backwashing your sand filter.