Contains a 2 outlet Model 9602 Hailea air pump, 2 medium sponge filters, 20 ft of silicone airline tubimg and 2 additional adjustable air control valves. This air pump is durable and long lasting. Has an adjustable air flow control vale and provides  a remarkably quiet operation.  the 2 spongw filters are recommended for aquariums up to 30 gallons. also includes 20 ft of premium silicone air line tubing and 2 extra air control vales.