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Hallite’s 620 design incorporates features from the Hallite 621 to provide a twin lip alternative to Hallite’s 500 series products.
The shell is moulded in Hallite’s high performance polyurethane – Hythane® – 181 – ensuring flexibility for easy installation and performace at low temperatures.
The 620 benefits from the Hallite’s twin lip profile for dry rod sealing.