Clearwater Sand Filters are the latest in pool filter technology. The spherical tank design evenly distributes the pressure resulting in greater strength. The ClearWater Deluxe Sand Filter. System needs to be on a completely flat level / surface (patio block, cement slab, etc.). Assemble filter system only after Once water discharges from knob, close the pressure gauge on your FILTER reads 5 PSI or higher than the original starting pressure, the FILTER needs to beRelated manuals · assembly instructions for oval sand filters · STANDARD SYSTEM - STANDARD FITTINGS PACKAGE OWNER'S MANUAL HIGH RATE SAND FILTER · cartridge READ ALL INSTRUCTIONS AND WARNING LABELS BEFORE. OPERATING FILTER! 1. Place filter with filter base on a level, secure surface. There is no need to disassemble Plug skimmer and pool return lines or drain pool water level to below pool return line. 2. Slowly open the air release knob on top of filter until the pressure