The Red Sea C-Skim 1800 PSK aspiration pump is the replacement pump for the C-Skim 1800 Protein Skimmer, and can also be used to uprgrade the C-Skim 1200 Protein Skimmer. Pump has a 450 gph water flow rating and 120 gph air flow rating.
Parts Protein Skimmers- Parts. Supreme Replacement Impeller for Skilter. The impeller unit is what makes the skilter work, and is commonly the root of a decrease in efficiency due to lack of cleaning and maintenance.