IPW Industries Inc (3mm60CTC) 4 lbs Bulk Activated Carbon Charcoal Pellets for Aquarium Fish Tank Koi Reef Filter Blue And White (F-451002LHNE) 2.0 - 20 GPM; 1" MPT; PM suitable for residential drinking water

suitable for residential drinking water applications

Each strip features patented reagent chemistry that resists interference from monochloramines

The 304 stainless steel construction makes it ideal for food service

10 5/8" × 2"

The AF-20-3690 fits any standard 20-inch Big Blue housing with 2

IPW Industries Inc (3mm60CTC) 4 lbs Bulk Activated Carbon Charcoal Pellets for Aquarium Fish Tank Koi Reef Filter Blue And White (F-451002LHNE) 2.0 - 20 GPM; 1" MPT; PM suitable for residential drinking waterIPW Industries Inc Coal Based Activated Carbon 3mm60CTC 4 lb Bulk Activated Carbon Pellets for Aquarium Filtration Premium coal based carbon pellets engineered for superior hardness, high CTC activity, and extended service life in freshwater, saltwater, and reef systems 3mm Pellet 60 CTC 4 lbs Bulk Coal Based WHY IT WORKS Coal based adsorption for serious aquarium filtration Coal Based Carbon Superior hardness and longevity compared to coconut shell