⭐ Key Features

•CLEANER, BETTER-TASTING WATER - Granular activated carbon effectively reduces chlorine, unwanted taste, and odor for improved water quality throughout your home or facility

•MINIMIZED CHANNELING AND CARBON FINES - Internal polypropylene expansion pad prevents water from bypassing the carbon bed, while a spun polypropylene post-filter traps loose fines

•NSF/ANSI STANDARD 42 CERTIFIED - Tested and certified by NSF International for material requirements, giving you confidence in the safety and quality of every cartridge

•FITS 20" PENTAIR PENTEK BIG BLUE HOUSINGS - Designed as a direct drop-in replacement cartridge (4.50" x 20") for Big Blue filter systems; operates at 40-125 degrees F

•25,000-GALLON CHLORINE REDUCTION CAPACITY - Extended filter life at 4 gpm flow rate; this convenient 4-pack keeps your system running with fewer reorder interruptions

🛠️ Specifications

• Brand : Pentek
• Style : 20" x 4.5"
• Size : Pack of 4
• Material : Activated Carbon,Carbon
• Unit : 4 Count
• Color : Blue
• Number of items : 4
• Package quantity : 1
• Pattern : Filter
• Product benefit : Reduces Chlorine
• Type : POTABLE_WATER_FILTER
• Item dimensions : H: 4.5 / L: 20.0 / W: 4.5 (Weight: 20.0)
• Package dimensions : H: 10.5 / L: 22.0 / W: 10.5 (Weight: 25.4)

📋 Product Description

The Pentair Pentek GAC-20BB delivers reliable granular activated carbon filtration for whole-house and commercial systems equipped with Big Blue 20-inch housings. Each cartridge reduces chlorine, taste, and odor using a proven GAC media bed, providing cleaner water at a steady flow rate with only 10 psi of pressure drop at 4 gpm.Engineered for consistent performance, the GAC-20BB features an internal polypropylene expansion pad that minimizes channeling and bypass, ensuring water passes evenly through the carbon bed. A spun polypropylene post-filter captures carbon fines before they reach your tap. Polystyrene end caps and outer casing provide structural integrity, while Buna-N and Santoprene gaskets ensure a secure, leak-free seal.Each cartridge is NSF/ANSI Standard 42 certified for material requirements and delivers up to 25,000 gallons of chlorine reduction capacity at 4 gpm. This 4-pack provides extended coverage for households and facilities that depend on dependable water filtration year-round.