vhbw - the clever way Filter balls for your sand filter pump Are you looking for a sustainable, environmentally friendly yet efficient alternative for your sand filter system? Are you tired of lugging around heavy sandbags only to eventually discover fine sand inside your pool? Then the filter balls from vhbw are the perfect solution for you. With our filter balls, you not only benefit from an impressive filter performance of up to 1.5 microns (sand only filters up to approx. 40 microns), but also more convenient and effective pool maintenance. This is because the 1000 g filter balls replace 35 kg of filter sand. The filter balls are made of 100% non-toxic and recyclable material. They are also washable, both by hand or in the washing machine. With our long-lasting and cost-effective solution, you not only protect your pool water, but also the environment. The filter balls are delivered vacuum-packed for easy handling and storage. CONTENT OF DELIVERY: - 2x 1000 g filter balls vacuum