21mm Butane Clip-On Regulator : Designed for butane cylinders, this clip-on regulator provides a simple, snap-on connection. Suitable for indoor appliances, portable stoves, and small heaters. LPG Regulators with Hose (1m to 10m) – 37mm Propane Screw-On, 21mm Butane Clip-On, 27mm Propane Clip-On.
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