– Rectangular, oval, elliptic and round sizes to choose from SS316 opening frame secures the 10 mm thick lens
– Adjustable SS316 friction hinges and locking handles
– Highly anodized aluminum main body clamping frame
– Hull thickness 4 – 20 mm, no need for plastic inner frames
– Lens clear of obstructions inside and out for 100 % clear view
– Easy to install with sealant or closed cell tapes Neoprene sealing gasket
– Opening and fixed models