IPW Industries Inc (3mm60CTC) 4 lbs Bulk Activated Carbon Charcoal Pellets for Aquarium Fish Tank Koi Reef Filter GE Desal (1206719) AG-Series Tap Water/Brackish RO Elements AG2521TF; 2.5" X 21" 300 GPD TFC; TAPE The push-to-test function allows verification

The push-to-test function allows verification without breaking the seal

Compatible with any permanent Omnipure ELF-Series filter head assembly

Replacement Style

the SP3 media may exhaust closer to the 3-year mark

IPW Industries Inc (3mm60CTC) 4 lbs Bulk Activated Carbon Charcoal Pellets for Aquarium Fish Tank Koi Reef Filter GE Desal (1206719) AG-Series Tap Water/Brackish RO Elements AG2521TF; 2.5" X 21" 300 GPD TFC; TAPE The push-to-test function allows verificationIPW 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