The Marine Metal Bubble Box Air Pump is an exceptional value air pump for minnow buckets, livewells, and small aquariums. This air pump can aerate up to eight gallons. The Marine Metal Bubble Box Air Pump features beryllium copper battery contacts for longer battery life and an adjustable stainless steel clip to easily attach it to any container. This pump is designed for freshwater and saltwater use.The Marine Metal Bubble Box Air Pump features an impact, water resistant case with neoprene seals and a rubber booted switch. This air pump includes a weighted air stone for greater dissolved oxygen and 24 inches of silicon air line tubing.Precision motor runs +/- 40 hours on two alkaline D cell batteries, also runs on one batteryPumps 1.4 STL / minuteWater resistant caseDry box (clam shell package designed to keep pump dry while in use)Space saver clam shell package 7 1/2 x 4 x 2 inches.