MUNRO BASKET STRAINERS:

Munro Basket Strainers can be used with all makes of centrifugal pumps. An "open" area of 50% allows Cadmium Plated Strainers to filter out large damaging debris, yet permits sufficient water passage to keep pumps functioning at full capacity.

What is a basket strainer?

A basket strainer is a type of filter; a cylinder with holes in it designed to prevent solids from entering the system with the flow of water. The smaller the holes, the better the filtration.