Derale's Cooling Products Electra-Cool remote fluid coolers combine a high-capacity transmission cooler core with a Tornado 10-inch electric fan for maximum cooling in any environment. This superior combination will give you the peace of mind of knowing that your fluids will be at their prime operating temperatures. These coolers feature a core with 1/2 in. copper tubes and 3/4 in. aluminum fins with plastic edge-guard protectors, all with a durable black powdercoat finish. Each fan is solidly mounted to the cooler core with clear-anodized billet-aluminum brackets to ensure a stable attachment. Coolers are 16-pass models and feature with AN-type inlets and outlets.