WATTS FPMB-BB-20 Sediment Pre-Filter for “Big Blue” 20” X 4 ½” Standard Housings. This filter is rated at 20 microns for excellent flow characteristics and is made of dual gradient melt-blown polypropylene. Also known as the FPMB-BB20-20, this filter will fit most housings that require a standard sized 20 inch X 4 ½ inch filter cartridge, including Pentek and Culligan Big Blue housings.The FPMB—BB20 features exceptional dirt-holding ability while maintaining high flow rates. It will remove sand, dirt, sediment and rust from your water and offers superior protection to carbon filters when used as a pre-filter. The FPMB-BB20 is composed of entirely food-grade materials and contains no leachable elements.
The FPMB-BB20 was tested and certified to NSF / ANSI Standard 42FEATURES & BENEFITS:
• 20 micron rating for full-flow capabilities.
• Excellent chemical resistance.
• Made entirely of food-grade ingredients.
• No leachables into the water supply
• Certified to NSF / ANSI Standard 42
FILTER SPECIFICATIONS:
• Filter Application: Pre-Filtration for reverse osmosis, carbon filtration, potable water and beverages.
• Micron Rating: 20 micron nominal.
DIMENSIONS:
• Length: 20 inches (50.8 centimeters)
• Outer Diameter: 4.5 inches (11.4 centimeters)
OPERATING CONDITIONS:
• Flow Rate: 8 gpm (gallons per minute)
• Initial Pressure Drop: Negligible
• Temperature Rating: 40 – 140 degrees Fahrenheit
FILTER LIFE:
• Filter Change Frequency: 6 to 12 Months