THE ORIGINAL GREAT WHITE JUST GOT EVEN GREATER! HUGE UPGRADES INCLUDE * Ultra wide neck for even more reaction time and water volume without affecting footprint* DC Pumps for ultra silent and precise control* In built silencer within the neck ring* Extra long waste tube and tap for collection cup These skimmers are manufactured using heavy-duty acrylic to ensure longevity, and all come equipped with the ultra silent, ultra efficient DC pumps which are fully controllable. As for skimming power, there is nothing like it. Millions of tiny bubbles are produced every second, holding huge amounts of proteins and tank gunk that are easily captured and removed in the extra-large collection chamber. Each product has been rigorously tested in the toughest tank conditions, and these protein skimmers by Dalua are nothing short of exceptional. And they are super quiet, less decibels than any comparable model. Backed by the first-class customer service and post-sales assistance offered at DALUA. Your tank will never feel cleaner and your fish and coral never happier. Includes 1 x 18W or 24w DC pump DALUA best use guide and specifications: GW SKIMMER Footprint Recommended Water Height Air Intake Light Bioload Medium Bioload Heavy Bioload GW-7 8.74" x 6.74"x 20.47" 4" - 6" 700 LPH or 184 gph 230g 185g 105g GW-12 8.74" x 6.74" x 23" 6" - 8" 800 LPH or 211 gph 400g 300g 158g GW-17 11.02" x 9.04" x 23" 6" - 9" 1,200 LPH or 317 gph 528g 450g 300g GW-22 11.02" x 9.04" x 23" 8" - 11" 1,400 LPH or 370 gph 710g 580g 395g Each model includes: DC pump included Made from ultra-high quality acrylic Steady, consistent bubbles for maximum protein removal Adjustment valve for precise water pressure Needle wheel style skimming Large and easy to remove cup for cleaning 40 Decibel rating- nothing like it for silence In- Sump Design
