Emaux Standard Heavy Duty Wall SkimmerHeavy Duty Skimmer Corrosion Proof Unibody Construction The heavy duty skimmer can be used for residential and commercial swimming pools suitable for concrete, fiberglass and vinyl surfaces. The 3 models are injection molded and made with UV resistant ABS material; the reinforced material provides the maximum strength and durability for all weather conditions. The high flexibility design allows 1. 5" or 2" suction connections to the piping.