Single Union Non Return Valve 63mm al99 Neat rear cut-outs enable filter

Neat rear cut-outs enable filter pipework

and the weighted version is 11mm and heavy enough to stay secure wherever you put it

Extensive research in our facility has revealed that maximum performance in freshwater and saltwater aquaria is achieved with different active ingredients rather than with one ingredient that is compatible in both types of aquaria

Removal is directly related to resin contact time with water

Insert the gasket into the air cap and place the cap on the bottle

Single Union Non Return Valve 63mm al99 Neat rear cut-outs enable filterSingle Union Non Return ( One Way) Valves fitted in line with flow actuation All Fastlight PVC U pipe and fittings are high quality, approved by the Water Regulations Advisory Scheme and fully reef safe. All pipe and fittings are metric and compatible with many other makes of metric pipe with joints connected using solvent weld glue. It is good plumbing practice to use the next size up Non Return (One Way) Valve from your pipework in conjunction with