Stainless steel insect and rodent screen comprising a perforated outer cylinder, lined with a fine mesh. One end is closed and the other has a smaller split cylinder, which can slide over the end of a pipe and be secured in place with the worm drive clip supplied.

Norscreen ES100-035C

Insect and rodent screen to fit over end of 1 inch bore steel or BS plastic pipe and 35mm OD copper pipe