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 Each strip features patented reagent

Each strip features patented reagent chemistry that resists interference from monochloramines

10 5/8" × 2"

Manufacturer Autotrol Model Number 1033065 Product Type Control Valve Accessory Configuration Threaded Air Check with Adapter Function Backflow Prevention & Air Injection Control Connection Type Threaded Kit Includes Air Check Valve

Built for Easy Installation and Long-Term Reliability

Works with Standard Big Blue Systems

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 Each strip features patented reagentIPW 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