https://irrigation.ca/irrigation/fittings/philmac-fittings
Philmac Fittings for Municipal Poly and Polybutylene Systems
Philmac fittings are made for SDR 9 HDPE municipal poly and can also be used on polybutylene, delivering durable, reliable water line connections.
philmac fittingsmunicipalpolysystems
https://mybuildingsupplies.ie/philmac-black-plugs-pipe-fittings
Philmac Black Plugs Pipe Fittings - MyBuildingSupplies.ie
Black plug fittings for securely sealing unused pipe ends in plumbing systems.
pipe fittingsblackplugsie