Swimming pool drain plug set 2-pack professional 3.8 cm (1.5 inch) plugs

This professional 3.8 cm (1.5 inch) frost protection plug is an essential accessory for winterizing your pool equipment. We know the damage frost can cause to pipes and pool equipment in winter: from small cracks to serious filter pump failures, repair costs can quickly run into several hundred euros. Choose our silicone frost protection plugs for reliable winter protection of your essential pool fittings in just minutes. Materials and Structure: Main material: Food-grade liquid silicone (LSR) Sealing principle: Low expansion upon contact with water (approx. 8%), creating an adaptive seal Temperature range: -40°C to 120°C (suitable for extreme climates) UV resistance: Contains UV stabilizers, outdoor lifespan over 5 years Color: International standard signal orange (RAL 2004) for easy identification Size specifications: Compatible with 3.8 cm (1.5 in.) NPT ports or 3.8 cm (1.5 in.) slip couplings