Features: Traps Dirt

and in other configurations

Securall MG309 Self-Latch Self-Close Safe-T-Door for Medical Gas Cabinet for Storing Oxygen Cylinders

The "convex" or higher FL-1H provides a more ergonomically correct position for able-bodied users while the "concave" or lower FL-1L can be mounted to meet ADA or TAS guidelines

and countertop models

Hayward Lug-Style Butterfly Valve, Polypropylene, 150 psi, 2 in Pipe Size - BYV44020A0ELI00 Centerpull Paper Towel Dispensers Features: Traps DirtFeatures a 1 pc. body and 1 pc. 316 SS stem with threaded retaining gland. 316 SS lugs are molded into the body for added strength. Valve has 19 lockable stop positions, 360 Interlock, and Cv and percentage open indicators.