Antifreeze drain plug kit for swimming pools. Set of 2 professional 3.8 cm (1.5 inch) plugs.

This professional 3.8 cm (1.5 inch) antifreeze plug is an essential accessory for winterizing pool systems. We understand the damage that freezing can cause to pipes and pool equipment in winter: from minor cracks to serious filter pump failures, repair costs can easily reach hundreds of euros. Choose our silicone antifreeze 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: Slight expansion upon contact with water (approximately 8%), forming an adaptive seal Temperature Range: -40°C to 120°C (Suitable for extreme climates) UV Resistance: Contains UV stabilizers, outdoor lifespan exceeding 5 years Color: International standard signal orange (RAL 2004) for easy identification Size Specifications: Compatible with 3.8 cm (1.5 in) NPT fittings or 3.8 cm (1.5 in) sliding joints