- Common Spectra 4™ filter features/benefits
- 7-position multi-port valve functions for Filter, Backwash, Recirculate, Pump-to-waste, Filter-to-waste, Winterize and Closed.
- Molded, upper tank distributor for maximum water dispersion.
- Large Access Port with V-Band Clamp allowing easy access into tank unit for efficient sand loading or filter maintenance.
- One-piece, full diameter circular underdrain to prevent channeling of sand bed.
- Molded of specially formulated resins for maximum durability.
- 1 1/2″ hose and fittings for positive hose seal.
- Easy-to-read pressure gauge indicates when filter needs cleaning.
- Automatic air relief to eliminate excess pressure which could damage the filter tank.
- Uses 20 grade Crystal Silica Sand for exceptional filtration.
- Drain Port for easy removal of debris.
- Special Limited—10 Year Warranty on Filter Tank.
- Your guarantee of excellent quality.
Model 320
- 20″ Diameter Tank
- Durable, Resin Filter Base
- High-strength “Pump to Filter” pressure hose for optimal durability
- 150 lb. sand
Model 317
- 17″ Diameter Tank
- Free Standing Filter Design
- 100 lb. sand
