Poolking, your best swimming pool equipment manufacturer and supplier with more than 20 years experience. 
Email: sandy@poolking.co
Custom undergravel filter supply Manufacturer | Poolking
Poolking has developed to be a professional manufacturer and reliable supplier of high-quality products. Throughout the whole production process, we strictly implement the ISO quality management system control. Since established, we always adhere to independent innovation, scientific management, and continuous improvement, and provide high-quality services to meet and even exceed customers' requirements. We guarantee our new product undergravel filter will bring you a lot of benefits. We are always standby to receive your inquiry. undergravel filter We promise that we provide every customer with high-quality products including undergravel filter and comprehensive services. If you want to know more details, we are glad to tell you.Poolking undergravel filter is the outcome of thermodynamics knowledge. Its whole body part especially the air circulation parts are made with special materials and circulating layout.
Model: K
- Lateral and nozzle plate are available in option.
- Sight glass and Manhole are available in option.
- Lateral configuration enhances filtration performance.
- Fiberglass filter body is UV and corrosion resistant.
- Air Release Valve and air tube enable easy release of air during operation and testing.
- Nozzle plate system ensures the same flow for filtration and backwash ,ensuring the media bed to reach maximum performance and save up to 25% water during backwash.
| Model | Filter Diameter（mm） | Filter Height （mm） | Flow rate（mm³/h/m²） | Inlet&Outlet De(mm)/inch | Design Flow（m³/h） | Filter Area（m²） | Sand Weight（kg）0.5-0.8mm | Grave Weight（kg）1-2mm |
| K1200 | 1200 | 1420 | 30 | 90/3" | 34 | 1.13 | 750 | 300 |
| 40 | 90/3" | 45 | ||||||
| 50 | 110/4" | 57 | ||||||
| K1400 | 1400 | 1670 | 30 | 90/3" | 46 | 1.54 | 1200 | 500 |
| 40 | 110/4" | 61 | ||||||
| 50 | 110/4" | 77 | ||||||
| K1600 | 1600 | 1750 | 30 | 110/4" | 60 | 2.01 | 1850 | 30750 |
| 40 | 160/6" | 80 | ||||||
| 50 | 160/6" | 101 | ||||||
| K1800 | 1800 | 1950 | 30 | 110/4" | 76 | 2.54 | 2500 | 1050 |
| 40 | 160/6" | 101 | ||||||
| 50 | 160/6" | 127 | ||||||
| K2000 | 2000 | 2130 | 30 | 160/6" | 94 | 3.14 | 3300 | 1150 |
| 40 | 160/6" | 125 | ||||||
| 50 | 160/6" | 157 | ||||||
| K2200 | 2200 | 2350 | 30 | 160/6" | 114 | 3.80 | 4150 | 4170 |
| 40 | 160/6" | 152 | ||||||
| 50 | 200/8" | 190 | ||||||
| K2300 | 2300 | 2350 | 30 | 160/6" | 125 | 4.15 | 4900 | 1600 |
| 40 | 200/8" | 166 | ||||||
| 50 | 200/8" | 208 | ||||||
| K2350 | 2350 | 2350 | 30 | 160/6" | 130 | 4.34 | 5000 | 1800 |
| 40 | 200/8" | 175 | ||||||
| 50 | 200/8" | 217 | ||||||
| K2500 | 2500 | 2450 | 30 | 160/6" | 147 | 4.90 | 6000 | 2200 |
| 40 | 200/8" | 196 | ||||||
| 50 | 200/8" | 245 | ||||||
| K3000 | 3000 | 2650 | 30 | 200/8" | 212 | 7.07 | 8600 | 3300 |
| 40 | 200/8" | 282 | ||||||
| 50 | 250/10" | 354 |
Model | Filter Diameter（mm） | Filter Height （mm） | Flow rate（mm³/h/m²） | Inlet&Outlet De(mm)/inch | Design Flow（m³/h） | Filter Area（m²） | Sand Weight（kg）0.5-0.8mm | Grave Weight（kg）1-2mm |
| K1400N | 1420 | 1900 | 30 | 90/3" | 46 | 1.54 | 1800 | 220 |
| 40 | 110/4" | 61 | ||||||
| 50 | 110/4" | 77 | ||||||
| K1600N | 1620 | 2000 | 30 | 110/4" | 60 | 2.01 | 2300 | 300 |
| 40 | 160/6" | 80 | ||||||
| 50 | 160/6" | 101 | ||||||
| K1800N | 1830 | 2100 | 30 | 110/4" | 76 | 2.54 | 2900 | 360 |
| 40 | 160/6" | 101 | ||||||
| 50 | 160/6" | 127 | ||||||
| K2000N | 2030 | 2200 | 30 | 160/6" | 94 | 3.14 | 3600 | 440 |
| 40 | 160/6" | 125 | ||||||
| 50 | 160/6" | 157 | ||||||
| K2300N | 2300 | 2350 | 30 | 160/6" | 125 | 4.15 | 4800 | 580 |
| 40 | 200/8" | 166 | ||||||
| 50 | 200/8" | 205 | ||||||
| K2500N | 2500 | 2450 | 30 | 160/6" | 147 | 4.90 | 5700 | 680 |
| 40 | 200/8" | 196 | ||||||
| 50 | 200/8" | 245 | ||||||
| K3000 | 3000 | 2650 | 30 | 200/8" | 212 | 7.07 | 8250 | 980 |
| 40 | 200/8" | 282 | ||||||
| 50 | 250/10" | 354 |
| Model | ΦD（mm） | H（mm） | A（mm） | B（mm） | C（mm） | E（mm） | F（mm） | K（mm） | M（mm） | N（mm） | ΦP（mm） | T（mm） | W（mm） |
| K1200 | 1200 | 1422 | 560 | 180 | 340 | 60 | 740 | 180*180 | 1150 | 80 | 1010 | 600 | 300 |
| K1400 | 1400 | 1670 | 650 | 190 | 350 | 60 | 800 | 300*400 | 1250 | 80 | 1240 | 700 | 300 |
| K1600 | 1600 | 1750 | 680 | 215 | 450 | 60 | 870 | 300*400 | 1450 | 80 | 1450 | 800 | 320 |
| K1800 | 1800 | 1950 | 730 | 215 | 550 | 60 | 91 | 300*400 | 1650 | 80 | 1610 | 850 | 320 |
| K2000 | 2000 | 2130 | 800 | 240 | 550 | 60 | 1050 | 300*400 | 1700 | 80 | 1800 | 900 | 350 |
| K2200 | 2200 | 2350 | 900 | 240 | 600 | 60 | 1070 | 300*400 | 1750 | 80 | 1800 | 1000 | 400 |
| K2300 | 2300 | 2350 | 940 | 240 | 600 | 60 | 1070 | 300*400 | 1800 | 80 | 2010 | 1000 | 400 |
| K2350 | 2350 | 2350 | 940 | 240 | 600 | 60 | 1070 | 300*400 | 1800 | 80 | 2010 | 1000 | 400 |
| K2500 | 2500 | 2450 | 960 | 240 | 600 | 60 | 1100 | 300*400 | 1900 | 80 | 2010 | 1050 | 400 |
| K3000 | 3000 | 2650 | 1020 | 350 | 600 | 60 | 1130 | 300*400 | 2150 | 80 | 2650 | 1100 | 450 |
| Model | ΦD（mm） | H（mm） | A（mm） | B（mm） | C（mm） | E（mm） | F（mm） | K（mm） | M（mm） | N（mm） | ΦP（mm） | T（mm） | W（mm） |
| K1400N | 1420 | 1900 | 700 | 190 | 550 | 40 | 800 | 300*400 | 1400 | 80 | 1240 | 1000 | 300 |
| K1600N | 1620 | 2000 | 810 | 215 | 550 | 40 | 870 | 300*400 | 1500 | 80 | 1450 | 1000 | 320 |
| K1800N | 1830 | 2100 | 850 | 215 | 550 | 40 | 980 | 300*400 | 1600 | 80 | 1610 | 1000 | 320 |
| K2000N | 2030 | 2200 | 900 | 240 | 550 | 40 | 1030 | 300*400 | 1650 | 80 | 1800 | 1000 | 350 |
| K2300N | 2300 | 2350 | 940 | 240 | 600 | 40 | 1070 | 300*400 | 1800 | 80 | 2010 | 1000 | 400 |
| K2500N | 2500 | 2400 | 960 | 240 | 600 | 40 | 1100 | 300*400 | 1900 | 80 | 2010 | 1000 | 400 |
| K3000N | 3000 | 2650 | 1020 | 350 | 600 | 40 | 1130 | 300*400 | 2150 | 80 | 2650 | 1000 | 400 |
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Best swimming pool equipment manufacturer - Poolkin will continue for innovative management and excellent quality. Imagination will subvert the future, intelligent manufacturing will lead the era, that's the motto of Poolking!
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Contact: Sandy
Email: sandy@poolking.co
Sales Hot line: +86-20-34982303
WhatsApp:+86-13922334815
Add: No. 80, Danan North Road, Dagang Village, Dagang Town, Nansha District, Guangzhou City (temporary business premises)