Cadac Threaded Cartridge Regulator - QR: a Compact EN417 Gas Regulator with a Quick Release A snappy little regulator thats easy to screw on - it connects an EN417 threaded cartridge to your Cadac LP BBQ with a quick release fitting, and it comes with an 85cm hose and QR connector. Ideal for the Safari Chef 30 LP QR - perfect for a day out, a camping trip or a beach holiday when you dont need a full gas cylinder. Not every trip calls for a full gas cylinder. For a picnic, or a day at the beach, or a short camping trip, a single EN417 threaded cartridge and this wee regulator is all you need to get your Cadac LP BBQ fired up. The regulator screws straight onto the cartridge, delivers a nice steady flow of LP gas through that 85cm hose, and clips onto the BBQ via the quick release connector in 2 seconds flat - no tools, no messing around. At 0.