Characteristics:
•Low temperature PTC elements, no damage for heaters and parts nearby under no wind case
•Excellent low temperature start, rapid heating under -40โ
•Energy save, power will be self-regulated according to air temperature, lower surrounding temperature is, larger power output is
| No. | L(mm) | W(mm) | T(mm) | P(W) | Vr(VAC) |
| F2335 | 64.5 | 17 | 15 | 130~160 | 12 |
| F2415 | 74.5 | 21.7 | 15 | 130~160 | 12 |
| F2039 | 73.5 | 62 | 15 | 300~350 | 12 |
| F2057 | 96 | 59.5 | 15 | 200~235 | 12 |
