Empty Refillable Cartridge 20" x 4.5" White 20 Micron1947 5" (4-5/8" OD) Filtration Rating

5" (4-5/8" OD) Filtration Rating 10 Micron Nominal Filter Media Bonded PAC Carbon Block Capacity 30

Harmsco WaterBetter cartridges are manufactured in the USA with quality media and construction methods that meet the demands of professional installers and commercial operators

Nominal filtration

Every 6-12 months

Genuine OEM filters

Empty Refillable Cartridge 20" x 4.5" White 20 Micron1947 5" (4-5/8" OD) Filtration RatingWatts RC C BB 20 50 Empty Refillable Cartridge 20" x 4. 5" White Reusable canister for custom media applications in Big Blue housing systems Refillable 50 Micron Foam Pad 155 Cubic Inches WHY IT WORKS Fill It With What You Need Reusable Design Refill and reuse instead of replacing. The Watts RC C BB 20 50 accepts any granular or specialty media you need for custom filtration applications. Big Blue Standard Fits all standard 20" x 4. 5" Big Blue