Check-Valve Spouts vs Standard Clear Spouts: A Multi-Year Comparison of Yield in 5/16” Tubing. The Maple News Aug-Sept: 10-11. By Perkins, T.D., van den Berg, A.K., Stowe, B., and Bosely, W.

Check-Valve Spouts vs Standard Clear Spouts: A Multi-Year Comparison of Yield in 5/16” Tubing. The Maple News Aug-Sept: 10-11. By Perkins, T.D., van den Berg, A.K., Stowe, B., and Bosely, W.


Check-Valve Spouts vs Standard Clear Spouts: A Multi-Year Comparison of Yield in 5/16” Tubing. The Maple News Aug-Sept: 10-11. By Perkins, T.D., van den Berg, A.K., Stowe, B., and Bosely, W.