Fast Flow Postmix Drink Dispenser is compact, sturdy and efficient. New shut-off screw with soft tip for a positive seal. Lock-in-place hat plugs allow for individual flavor repair and nozzle features a twist lock connection. Flex hose bushing is welded stainless steel (no longer plastic). Stem seal o-ring easily replaced from top of handle (even under pressure). NSF and ETL Sanitation Certified