6-MONTH SUPPLY PER BOTTLE, 2-PACK: Each 36oz bottle concentrate provides up to 6 months of uninterrupted A/C drain line cleaning. This 2-pack set offers up to 12 months of total maintenance, reducing refill frequency and keeping your system optimized. POWERFUL BIO-ENZYMATIC FORMULA: The iFLO cleaner cartridge dissolves zooglea, buildups, and debris in your A/C drain line and drain pan, preventing clogs and costly repairs. Designed for smart dispensing, it ensures long-lasting maintenance for a smooth-running HVAC system. EXCLUSIVELY FOR iFLO SYSTEM: This 36oz cartridge is specially designed for the iFLO Smart A/C Drain Line Cleaning System Kit, ensuring precise smart dispensing and optimal performance to keep your HVAC drain lines clear without manual intervention. SMART APP TRACKING & REFILL ALERTS: The iFLO app ensures effortless maintenance by tracking cleaning cycles, scheduling dispensing, and notifying you when a refill is needed, so you never miss a cleaning session. QUICK & EASY CARTRIDGE REPLACEMENT: Replacing your iFLO A/C drain line cleaner cartridge takes just seconds, providing mess-free, continuous cleaning to prevent buildup and keep your HVAC drain line clog-free. UPC 180104000202 ASIN B0DBR36KKH Scent Unscented Brand Name iFLO Unit Count 2.0 Count Item Weight 2.61 Kilograms Manufacturer iFLO Liquid Volume 36 Fluid Ounces State of Matter Liquid Product Benefits Clears and protects AC drain line