The USGI series of mud logging gas trap agitators - all are designed and manufactured in the USA by mud loggers. We have a complete mudlogging gas traps & repair parts. We've been in business over three decades because of our excellent customer service and vast catalog including mud logging gas trap agitators. Looking for something to fit inside that Mongoose shaker? Try our 5" mudlogging gas trap agitator, in both air and electric models. Our mud logging gas trap agitators are assembled and ready to ship the same day in most cases!