Filter Lid with O-Ring Suitable for Quality & Eartheco

This Filter Lid with O'ring is Suitable for both Quality & Eartheco filters.
The filter lid is attached to the top of a sand filter to prevent pressure loss.
When replacing the filter lid, please ensure that you do not over tighten as this will lead to either the lid or filter cracking.
The sand filter lid takes eight filter lid screws with washers.