Click to expand Tap to zoom Protank 2/Protank 3/Aerotank Glass Save $-4.99 $4.99 Red - $4.99 Blue - $4.99 Purple - $4.99 Black - $4.99 Clear - translation missing: en.products.status.sold_out Color: Red 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Replacement Pyrex Glass Tube for the Protank 2. Now available in 5 wonderful colors including Clear, Red, Blue, Smoke, and Purple!