This Makro Teknik air duct sealant is the perfect solution for those looking to silence squeaky fans and improve the overall air quality in their home. With its siliconised acrylic formula, this mastic is easy to apply and will create a durable, long-lasting seal for your ductwork. The 300ml tube makes it convenient to use and purchase. This product is ideal for plumbers and DIY enthusiasts alike, and is sure to provide a quiet and comfortable living environment. Order now and experience the benefits of this high-quality air duct sealant.