Northland Vapor Concentrates are designed for vapers who love to mix their own e Liquid but still want to enjoy to amazing flavours Northland Vapor have to offer. Flavour Profile: Watermelon, Honeydew, Mint Recommended Mix Percentage: 20% Recommended Steep Time: 5 Days Requires mixing with Vegetable Glycerin & Propylene Glycol before can be vaped. Northland Vapor M3 Concentrate is moderately minty melon. A mix of watermelon, honeydew and something special with the slightest hint of cool.