We offer pump strainers that are great at preventing large particles of sediment, sewage, mud, or solids from entering the suction port of drainage pumps. These strainers are great for use in swimming pools, pit blinds, or any other situation where you are pumping out water that is not clean. we offer 2 inch, 3 inch, and 4 inch strainers to fit all of the different size pumps. These strainers go great with our Koshin pumps. If you have any questions regarding strainers feel free to call us at 800-488-9146 or email us at firstname.lastname@example.org.