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Bizzybee’s custom sight glasses are some of the best in the industry and provide visibility at key points of the extraction process. Our sight glasses come in 4” and 6” sizes with tri-clamp ferrules and are available in standard and high-pressure ratings. 

Our standard-pressure sight glasses are designed for use with butane, isobutane, or butane/propane mixes. 

Our high-pressure sight glasses are designed for use with 100% propane; they are constructed from solid steel and have two or four sight windows. 

Each sight glass is hand made and pressure tested to their maximum operating pressure to ensure they are safe before using. Add a sight glass to your extractor and take the guesswork out of the equation.