Features: 

• Made of high-density polyethylene material, corrosive-proof, safe and environmental. 
• Unitized thermal plastic filter tank tough, durable and suitable for many different weather conditions.
• Easy-to-use multipart valve lets you select any of the valve/filter operation with a simple lever-action.
• Clamp lock is designed to allow 360-degree rotation to simplify installation.
• Compact and save space.
• These sand filters are applicable in all types of pool, spa, fountain, waterscape and aquarium.
 
Main parts: 

• Easy-to-use six-position valve makes the selection of the valve/filter simple. 
- FILTER (Normal filtration and vacuuming).
- BACKWASH (Clean filter by reversing the flow).
- RINSE (Used after backwash to flush dirt from valve).
- WASTE (By-passes filter, used for vacuuming to waste or waste lowering 
water level).
- RECIRCULATE (By-passes filter for circulation water to pool).
- CLOSE. 
• Unitized and durable tank.
• Special drainage design, to easy draining of the tank, easy to maintain and 
ice-free in winter.