Tappo di ritorno per skimmer per piscina in 4 pezzi, tappo antigelo invernale con viti in acciaio inox per piscine fuori terra 51 mm, 2 pezzi 25 mm

【3 Sizes of Pool Plugs】The package contains 4 pool skimmer plugs in 3 sizes: 51mm (1), 38mm (2), and 25mm (1). The different sizes and quantities are sufficient to meet your daily use and replacement needs. Sizes: 51*27*44mm, 38*26*33mm, 25*24*23mm. 【Superior Performance】This pool return plug is made of high-quality rubber, making it sturdy, durable, cold-resistant, and slip-resistant, allowing for normal use even outdoors in winter. The wing nut is made of stainless steel, rust-resistant, and reusable. 【Wide Range of Uses】This winter pool plug is ideal for pool filter maintenance or freeze protection. It can be used as a pipe plug, sink plug, skimmer plug, pool return pipe plug, and cleaning plug to prevent water from flowing in and out of pipes. It can also be used to plug pressure pipes in underground pools to detect leaks and outlet blockages during equipment maintenance. 【Suitable Occasions】This winter pool freeze protector is versatile and very practical. It is suitable not only for above-ground and underground pools but also for use as a sink plug in kitchens, bathrooms, laundry rooms, etc. Please note that you should confirm the size before use. 【How to Use】This rubber pool plug protects your pool pipes during cold winters, preventing the water inside from freezing. After draining the pool, insert the plug directly into the inlet and outlet, then tighten the wing nut to secure it and prevent slippage.