Type VI Pool Filter: Our type VI pool filter measures 10.8 x 4 x 7.3 cm. Compatible with Bestway type VI pool filters, also for spa VI filters and other spa models that require type VI filters. High quality: The filter sponge is made of environmentally friendly elastic sponge, which can be reused after cleaning, is cheaper than traditional filters and has a longer service life. Safety and environmental protection: Our type VI spa filters only use environmentally friendly materials, BPA-free and lead-free. Cleaning and replacement: The sponge filter element can be reused after rinsing, it is recommended to clean it once a week and replace it once a month to maintain the perfect filtration effect of the filter.