Trico E Opto-Matic Oiler 4oz 30054. Plastic 4oz 1/4" NPT Type E. The Opto-Matic Oiler has been an industry standard for more than 75 years and is installed in millions of plants world-wide. Used to maintain accurate oil levels, the oiler has been utilized as a reliability tool in machine bearing housings.
Impact resistant high strength transparent reservoir. Multiple air vent slots. Adjustable level setting.
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