Royal Supply Plastic Wick Cartridges are the most economical and efficient way to store your oil. The leak proof plastic tank has an easy access rubber stopper to enable and easy fill. These cartridges are BPA free and made of FDA-approved material. Compatible with any 510 thread battery.
• Material: Food grade plastic, healthy – 100% Made From Food-Grade Material
• No leak design – Made with quality parts and a rubber stop to ensure no leakage from the cartridge
• Suitable for thin to semi-thick oil