| http://www.w3.org/ns/prov#value | - Pex tubing and fittings are the best solution for residential and commercial potable water supply as they are corrosion resistant, environmentally friendly and are much easier to install than other types of plumbing systems.There are various kinds of pex fittings such as elbows, reducers, end caps, adapters, tees, straight couplings and unions that differ by size, diameter, bend radius and applica
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