High Quality MaterialThe spa filter protection net is made of high quality, flexible, high elastic, durable and reusable. The package contains: 4 protective nets (filter not included).Protect the filtration systemThe mesh cover has a high-density mesh structure that captures and removes fine debris before leaves, grass, insects, dust, pollen and more floating debris from reaching and clogging the water pump and filter, the filtration system will require less maintenance.Protect your pool filterThe blue mesh cover can protect your pool filter and cartridge, help remove dirt , prevent dirt from sticking to your filter, prolong its service life and improve filtering effect, keep your water clean.Easy to install and cleanThe mesh filter can be easily disassembled and washed at any time, no need to clean the pool filter frequently, which can save you cleaning time. It is recommended to replace with a new mesh every 4-8 weeks. Do not forget to remove the protective net after using the spa. Ideal for swimming pool filters, hot tubs and spas. Note: The data is all measured manually, please allow 1-3cm error, due to the light and display difference, there are will have a certain color difference, the actual object received shall prevail.