Hudson Industries BB531T 31in Top Mount Sand Filter

Hudson BB531T features a spherical tank with 2″ valve ports. It is suitable for in-ground and large above-ground pools.

• The filter tank is constructed from HDPE.
• The top diffuser ensures an even distribution of water over the top of the sand media bed. 
• All internal Pipin is 2″ dia. (63mm) to provide smooth, free-flowing performance.
• The flange clamp design allows 360-degree rotation for easy installation.
• Bottom drain plug for easy winterization or maintenance.
• Easy operation 7 position multi-port valve.

BACKWASH – For Cleaning accumulated debris in the sand bed
RINSE – Use after finishing the backwash cycle to ensure dirty water is rinsed out of the filter to waste
WASTE – By-passes the filter for draining or lowering the pool water level and for vacuuming heavy debris directly to the waste line
RECIRCULATE – Water is recirculated through the valve, by-passing the filter
CLOSE – Shuts off the flow from the pump to the filter
FILTER – For normal filtering and regular vacuuming
WINTER – For ease of winterizing