This new style Astral Filter Lid 4404020040 is made of a high-grade, non-corrosive polymer material which has superior mechanical resistance and chemical stability. It provides reliable protection against corrosion and abrasion, ensuring optimum service life. The lid is sealed with an EPDM rubber gasket to provide strength and a secure seal every time. The lid is designed to be easy to install and remove, without the need for tools.

The Astral Filter Lid also features a built-in safety lock that prevents accidental opening or closing of the lid while the filter is operating. This ensures maximum safety and helps prevent damage to the filter system over time.

In addition, the Astral Filter Lid is designed to be compatible with all of the Aster Sand Filters and other models from the same manufacturer. It is an ideal choice for those looking for a reliable lid that provides maximum ease of operation, superior protection against corrosion, and excellent safety features. With its patented closing system, it ensures a secure seal every time.