From the product description, check product page for current description, price and availability:

• 【Top Quality No Leaks】: FERRODAY lifetime CO2 keg pressure regulator features heavy duty forged brass body, exquisitely crafted tank washers and relief valve gasket to prevent any kinds of gas leakage!
• 【Easy to Adjust by Hand】: Our CO2 regulator has 2 control knobs, one adjustment knob enables more precise control even small adjustments, one shut-off knob allows instantly shut off without liquid backing up gas line, very easy to turn.
• 【Lock Ring to Hold Your Setting】: A lock ring under the big knob can firmly locked to hold your setting. Big gauges can accurately show the CO2 volume in cylinder and the output pressure to keg.
• 【Relief Valve & Filter】: Always safety first! A sintered metal filter in the stem keeps harmful contaminants out of the regulator. Customized manual relief valve releases pressure at 55-65 PSI each time for further adjustment and safety concern.

• Upgrade Your Kegerator – 6 Improvements!
• Checking for Draft System CO2 Leaks – Using The Pressure Gauge Method
• Homebrew Temp Controller Roundup! – Kegerator and Fermentation – con…
• Hands On Review: Inkbird ITC-308 Dual Stage Temperature Controller +WiFi Version
• Convert Your Mark II Keg & Carboy Washer to a Recirculating Draft Line Clea…
• Bulk Keg Orings and Keg Repair Part Numbers
• Step by Step: Finding and Fixing Keg CO2 Leaks
• Oetiker Stepless Clamps for Kegerator Gas and Beer Lines
• Home Brew Keg Roundup – New & Used, 5 and 2.5 Gallon & More!
• What’s the Difference Between Ball Lock Kegs and Pin Lock Kegs?
• Serve Homebrew & Sanke Kegs on Any Kegerator
• Build a Recirculating Draft Line Cleaning Pump
• Tips and Gear for Growler Filling
• Kegerator Beer Line Temperatures & Reducing Foam with a Recirculating Fan
• Kegging CO2 Use Estimations and Calculations
• Kegerator Foam Problems? – Fight the First Foamy Pint!
• Step by Step Balancing Your Kegerator Draft System
• Portable Draft Beer Serving Options!
• Recent Homebrew Keg Finds
• Damp Kegerator? Fix Kegerator Condensation