| Watts | Area (Sq Ft) | Length (in) | Length (mm) |
|---|---|---|---|
| 300 | 0-30 | 19 7/8 | 505 |
| 500 | 30-50 | 27 7/8 | 708 |
| 750 | 50-75 | 37 5/8 | 956 |
| 1000 | 75-100 | 47 1/2 | 1207 |
| 1250 | 100-125 | 57 1/4 | 1454 |
| 1500 | 125-150 | 66 1/4 | 1683 |
| 1750 | 150-175 | 76 | 1930 |
| 2000 | 175-200 | 83 7/8 | 2130 |
| 2250 | 200-225 | 93 3/4 | 2381 |
| 2500 | 225-250 | 102 5/8 | 2607 |