Bullet XL-2 Protein Skimmer by Precision Marine. **** PRODUCT MANUAL **** The most potent of the Bullet Series, the XL’s have a very compact footprint. With only a 12.5”x 12.5” footprint, The XL’s can be installed in or out of your reservoir. Like the entire Precision Marine line, of course the BLT-XL’s use all CELL CAST acrylic, not that extruded inferior material some of the “patented” models use. Bullet XL-2 Specifications: - Tubing Diameter: 8” - Overall Height: 38” - Input Size: Single 1” - Drain size: 1 1/2” - Capacity: 750gal.