The Sanitron water purifiers can disinfect between 3 and 416 gallons per minute [gpm], 120 to 25,000 gallons per hour [gph]. They are suitable for potable & high purity water applications and are constructed of type 316 Stainless Steel, electropolished and passivated. The Easy Off Retainer Cap means effortless lamp change and a drain Plug exists for in place drainage of the purifier. There is a sight port to view germicidal lamp operation.