QE QUALITY saddle valves specifications include: quickest leak-proof method available for tapping into copper or PVC tubing without shutdown, drilling, or cutting of water line, maximum flow rate: 1 gallon per minute / 3.8 liters per minute, threaded bottom bracket for easy adjustment to water line, outlet connection 1/4”, and stainless steel piercing needle and compression gasket come standard with each unit. Individually packaged.