Oilmiser gearbox tools and accessories include breathers for top inspection cover and top and side pipe port. They have two separate internal passages — one at 90° for lubricating oil and one vertical airway for venting enclosed air space. They fit side ports from 1 to 2 in. NPT. Line includes gearbox service points to provide an oil outlet from bottom sump; and sampling tubes that feature a gland-seal bushing in standard male pipe sizes from 12 to 112 in. NPT, stainless steel sampling tube, and glandseal tube retainer.

JLM Systems Ltd., (888) 736-8645, www.oilmiser.com