The Hollex brass cover cap with a diameter of 38 mm is specifically designed for sealing the filler neck of holding tanks. This cover cap protects the tank from leaks and prevents odour spread.

Hollex's brass cover cap is made of high-quality brass material, known for its durability and corrosion resistance. It offers a reliable seal and an aesthetically pleasing finish.

When installing the Hollex brass deck cap on a holding tank, it is important to ensure that the cap is placed firmly and correctly on the filler neck. This ensures a good fit and an effective seal.

The Hollex brass cover cap with a diameter of 38 mm is specifically suitable for dirty water applications. It is important to check that this cover cap meets the requirements and specifications of your holding tank.

Please refer to the product information and specifications of the Hollex cover cap to ensure that it is suitable for your specific application and meets your requirements regarding the 38 mm diameter and foul water seal.