GLASS, SIGHT (ROUND) close Quantity in Basket: None Code: GRN-01038 Price: $33.52 Shipping Weight: 0.39 pounds Quantity: Sight Glass For Groen tilt kettle models TDH-20, TDH-40 1-3/4" W x 1-1/4" D (4.45cm x 3.18cm) 1-1/4" NPT threads Clear acrylic lens Groen no. 108554