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Spike's engineers have totally redesigned the 1.5" TC sight glass from the ground up! Standard sight glasses use 4 long bolts that need to be ti...

This package comes with a 2″ diameter borosilicate sight glass, a 2″ 304 stainless steel tri-clamp, and a 2″ silicone gasket.

Complete 3" Tri-Clamp Sight Glass Assembly: Featuring a durable borosilicate glass viewing area, a corrosion-resistant 304 stainless steel ...

Complete 4" Tri-Clamp Sight Glass Assembly: Featuring a durable borosilicate glass viewing area, a corrosion-resistant 304 stainless steel ...

Spike's engineers have totally redesigned the 2" TC sight glass from the ground up! Standard sight glasses use 4 long bolts that need to be tigh...