![VEVOR Sand Filter, 16-inch, Up to 35 GPM Flow Rate, Above Inground Swimming Pool Sand Filter System with 7-Way Multi-Port Valve, Filter, Backwash, Rinse, Recirculate, Waste, Winter, Closed Functions | VEVOR US VEVOR Sand Filter, 16-inch, Up to 35 GPM Flow Rate, Above Inground Swimming Pool Sand Filter System with 7-Way Multi-Port Valve, Filter, Backwash, Rinse, Recirculate, Waste, Winter, Closed Functions | VEVOR US](https://img.vevorstatic.com/us%2FSLQYC1635GPM7QADPV0%2Fgoods_img_big-v1%2Fsand-filter-m100-1.2.jpg?timestamp=1682669953000)
VEVOR Sand Filter, 16-inch, Up to 35 GPM Flow Rate, Above Inground Swimming Pool Sand Filter System with 7-Way Multi-Port Valve, Filter, Backwash, Rinse, Recirculate, Waste, Winter, Closed Functions | VEVOR US
![Automatic Backwash Sand Filtering Of Hill Water Retention Pool Using Green Technology | European Proceedings Automatic Backwash Sand Filtering Of Hill Water Retention Pool Using Green Technology | European Proceedings](https://www.europeanproceedings.com/files/data/article/1025/10400/ICMR2019F73.fig.001.jpg)
Automatic Backwash Sand Filtering Of Hill Water Retention Pool Using Green Technology | European Proceedings
![It's my first summer with a pool and I can figure out how to backwash my sand filter. I turn the filter off and rotate it to back wash but no water It's my first summer with a pool and I can figure out how to backwash my sand filter. I turn the filter off and rotate it to back wash but no water](https://preview.redd.it/y1i4hp4nnj711.jpg?auto=webp&s=80a4263b0ec0705eb4d8bed53e217e647b1c20c3)