Replacement Parts for Matala® Hakko Linear Diaphragm Air Pumps Compatible Pump:HK 100 150 High output color changing and white diodes Flow Rate at 5 Feet of Head_4400 GPH High output color changing and white diodes contains all of the benefits of traditional K1 media but is extruded in a much smaller form 4pc set for HK 40L & 60L & 80L The 4 anti vibration feet connect the Matala Hakko air pump motor to the inside base HK M40 Replacement Magnet for HK 40 (1 piece) HK M60 80 Replacement Magnet for HK 60 80 (1 piece) HK M80H Replacement Magnet for HK 80H (1 piece) HK M100 150 Replacement Magnet for HK 100 150 (1 piece) HK M120 120H 200 Replacement Magnet for HK 120 120H 150 (1 piece) HK M250 Replacement Magnet for HK 250 (1 piece) Note regarding magnets: