The imani Backflow Protector is the membrane that fits inside your imani electrical breast pump to prevent milk or moisture from entering the motor. Replacing it regularly helps keep your pump performing at its best. Protects the Motor: Guards against backflow and moisture damage during pumping. Regular Replacement Recommended: Wear and tear over time can reduce protection — swap it out periodically to keep suction performance optimal. Compatible with: imani i1 Plus and i2 Plus systems. Spare parts available: Sold individually so you can keep spares on hand.