POOLKING's bobbin wound fiberglass side mount bolt type filters is made by dual layered fiberglass that gives you superior commercial strength , there is no plastic inner liner that can weaken the structure of the fiberglass when it expands and contracts . The filter for swimming pool with built - in gauge that shows when the sand filter needs to back wash. The sight glass shows when the water is clear.
1. Maximum working pressure: 250kPa/36psi/2.5bar or 400kPa/58psi/4.0bar
2. Factory Testing Pressure: 400kPa/58psi/4.0bar or 600kPa/86psi/6.0bar
3. Maximum Water Temperature: 50℃
4. Size of Gravel: 1mm-2mm
5. Size of Silica Sand: 0.5~0.8mm
If you have any inquiry about our products, feel free to contact us that we are 24 hours on line.We've got preferential price and best-quality products for you.
They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.