The Praga sand filter is a filter for big demands, suitable for commercial pools. Made with fiberglass and polyester resin. Provided with manual vent valve
| Ø(mm) | Q(m3/h) | Connection | Filtration vel. (m3/h/m2) | Filter bed height (m) | Presion 2,5 bar | Presion 4 bar |
| 1050 | 17 | 63 mm | 20 | 1 | 00687 | 09209 |
| 1050 | 25-34 | 75 mm | 30-40 | 1 | 00694 | 00712 |
| 1200 | 22-33 | 75 mm | 20-30 | 1 | 00688 | 00713 |
| 1200 | 45 | 90 mm | 40 | 1 | 00702 | 00719 |
| 1400 | 30 | 75 mm | 20 | 1 | 00689 | 09210 |
| 1400 | 46 | 90 mm | 30 | 1 | 00696 | 00714 |
| 1400 | 61 | 110 mm | 40 | 1 | 00703 | 00720 |
| 1600 | 40 | 90 mm | 20 | 1 | 00690 | 09211 |
| 1600 | 60-80 | 110 mm | 30-40 | 1 | 00697 | 00715 |
| 1800 | 50 | 90 mm | 20 | 1 | 00691 | 09212 |
| 1800 | 76 | 110 mm | 30 | 1 | 00698 | 00716 |
| 1800 | 101 | 125 mm | 40 | 1 | 00705 | 00722 |
| 2000 | 62 | 110 mm | 20 | 1 | 00692 | 09213 |
| 2000 | 94 | 125 mm | 30 | 1 | 00699 | 00717 |
| 2000 | 125 | 140 mm | 40 | 1 | 00706 | 00723 |
| 2350 | 87 | 125 mm | 20 | 1 | 00693 | 09214 |
| 2350 | 130 | 140 mm | 30 | 1 | 00700 | 09217 |
| 2350 | 175 | 160 mm | 40 | 1 | 04935 | 09220 |
| 2500 | 100 | 140 mm | 20 | 1 | 08695 | 09215 |
| 2500 | 150 | 160 mm | 30 | 1 | 08696 | 09218 |
| 2500 | 200 | 200 mm | 40 | 1 | 08697 | 09221 |
| 3000 | 140 | 160 mm | 20 | 1 | 08699 | 09216 |
| 3000 | 212 | 200 mm | 30 | 1 | 08700 | 09219 |
| 3000 | 282 | 225 mm | 40 | 1 | 08701 | 09222 |
