Features: 1) High rate tanks in laminated fiberglass reinforced with polyester resin with mirror finish 2) 20" and 26" filters equipped with a 1.5" 7-position multi port valve 3) 32", 38" and 48" filters equipped with a 2" 6-position multi port valve 4) Multi port valves with unique designs that offer long-term reliable service 5) Top sand charge lid with 300mm diameter equipped with an easy to read pressure gauge and with manual air vent 6) Water purge in the lower part of the filter facilitates the maintenance operations 7) Fitted with corrosion-proof collectors and a diffuser that enhances the capacity of filtration 8) Ideal for use in spas, private or semi commercial swimming pools, where high performances filtration is required AQUANT