POLYPLUMB PLUMBING PLASTIC AND BRASS FITTINGS (10MM-15MM-22MM-28MM). 10633 - 28MM x 22MM SOCKET REDUCER. 28MM x 22MM SPIGOT REDUCER. 10566 - 28MM STRAIGHT COUPLER. 1696 - 22MM x 15MM SOCKET REDUCER. 22MM x 15MM SPIGOT REDUCER.
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