The Aspire Tigon Coils are compatible for use with the Aspire Tigon Tank and features a leak-free installation construction. Coils available are the 0.4ohm or 1.2ohm and comes in a pack of five coils. Product Specs Quantity: 5 Coil Ohm: 0.4ohm 1.2ohm Coil Material: NiChrome Wire Coil Build: Single Vertical Wattage Range: 0.4ohm – 23W-28W 1.2ohm – 10W-12W