Features: - The regulator assembly has been replaced with a bacteria filter, eliminating the cap and float assembly. This filter will prevent fluids and other contaminants from damaging the pump. This durable unit continues to meet the need for controlled vacuum regulation from 0" up to 22" Hg with a flow rate of 28 lpm - Standard Features: Vibration-free easy-to-read regulator gauge - Free-hanging basket accommodates canister - Quick-connect tubing for all connections - Hydrophobic/bacteria filter eliminates pump flooding, and prevents contaminant damage - 3 filters included with every pump - AC operation, 115v/60Hz, 1/10 HP (Does not run on a battery).