Bullet 3 Protein Skimmer by Precision Marine. **** PRODUCT MANUAL **** Rated to 400 gallons, this is the third Bullet skimmer in the series. When you fire up this skimmer , you will be amazed to see the entire height of the column fill with fine white foam. Bullet 3 Specifications: - Overall Height: 32” - Base Dimensions: 6.25”x 10” - Inlet Size: 1” Barb - Outlet Size: 1.25” FPT - Ozone Compatible: Yes - Included Port - Capacity: 400gal.