SAE Thread Fluid liquid level sight window plug gage 1-5/16"-12UN 1-7/8"-12UN
SAE Thread Fused Steel Nickel plated Fluid liquid level sight window plugs
Safety Sight Glass Assembly - Threaded Checks coolant level without removing pressure cap (fits radiators and surge tanks)
Industrial Machinery Stainless steel liquid level sight glass,Brass liquid level sight glass,aluminum liquid glass oil sight gauge supplied.
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