HAYWARD PRO SERIES SIZING CHART
| Part Number | Filtration Area | Flow Rate | Turnover in Gallons | Sand Required |
| 8 Hours | 10 Hours |
| HAYS166T | 1.4 SQFT | 28 GPM | 13,440 | 16,800 | 100# |
| HAYS180T | 1.75 SQFT | 35 GPM | 16,800 | 21,000 | 150# |
| HAYS210T | 2.2 SQFT | 44 GPM | 21,120 | 26,400 | 200# |
| HAYS220T | 2.64 SQFT | 52 GPM | 24,960 | 31,200 | 250# |
| HAYS244T | 3.14 SQFT | 62 GPM | 29,760 | 37,200 | 300# |
| HAYS310T | 4.91 SQFT | 98 GPM | 47,040 | 58,800 | 500# |
PACFAB TRITON II SIZING CHART
| Part Number | Filtration Area | Flow Rate | Turnover in Gallons | Sand Required |
| 8 Hours | 10 Hours |
| PFB140236 | 1.92 SQFT | 38 GPM | 18,240 | 22,800 | 175# |
| PFB140249 | 2.46 SQFT | 49 GPM | 23,520 | 29,400 | 225# |
| PFB140264 | 3.14 SQFT | 63 GPM | 30,240 | 37,800 | 325# |
| PFB140210 | 4.91 SQFT | 98 GPM | 47,040 | 58,800 | 600# |
| PFB140243 | 7.06 SQFT | 141 GPM | 67,680 | 84,600 | 925# |