Sand Filter
| B1SF21 | FILTER POLYESTER LAMINATED TOP D=500MM / 9M3/H |
| B1SF22 | FILTER POLYESTER LAMINATED TOP D=650MM / 15M3/H |
| B1SF23 | FILTER POLYESTER LAMINATED TOP D=800MM / 24M3/H |
| B1SF24 | FILTER POLYESTER LAMINATED TOP D=950MM / 35M3/H |