1/4-inch ferrules are compatible with 45, 85, 100, and 170 series, Classic series, single-head, S420, S128, S10P, VX, SV, S series pumps, peristaltic pumps, and chlorination pumps. They are widely applicable to most pumps with a 1/4-inch interface. The one-touch installation design requires no complex tools, allowing secure locking by hand, saving time and effort. The pump ferrules utilize precision compression sealing technology, completely eliminating the risk of leakage caused by loose ferrules and improving pumping efficiency.