Cascade Pro-Carb Z Filt-A-Pack Zeolite / Carbon are ready-to-use nylon mesh filter bags filled with laboratory quality activated carbon and ammonia removing zeolite crystals.

• Ready-to-use nylon mesh filter bags filled with activated carbon
• Fits Penn Plax Cascade canister filters
• Removes harmful chemicals, toxins, odors and discolorations

Removes harmful chemicals, toxins, odors, discolorations and other contaminants to keep water crystal clear. Cascade Pro-Carb Z Filt-A-Pack for Cascade Canister Filters.