Model 445 features a unitized priming pump that creates extremely low flow resistance due to the unique pump by-pass feature.
This marine version with metal bowl is UL listed.
• Hand priming pump to simplify service procedures
• Four 3/8" - 18 ports and see-thru plastic bowl
• Use on vacuum side of system
• Height: 9.30"
10 micron replacement element = S3204TUL