Union sight glass withDC 24V Stainless steel lighting with Scraper cleaner - China Donjoy Technology
ISO 3A Stainless Steel flanged sight glass lighting and wiper Waterproof and sanitary design
A R Khan GLASS WORKS - Sight Glass Wiper Assembly :- Wipers of Sight Glass Wiper Assembly are built into round sight glasses to prevent crystallization of the media inside the vessel
Motorized Wiper For Sight Glass | Sight Glass Accessories | LJ Star LJ Star