Collins Maple Farm Custom tubing Installation Experience with- Vacuum, Gravity, Natural Vacuum, Wet/Dry systems, elevation challenges, and new sugarbush development. Evaporator bricking also available Can accommodate any size installation For Quotes and pricing, Call (315)-240-8966, send a PM here, or email me. Signing up summer installations now! Collins maple is committed to developing the maple resource to promote and improve the quality and consistency of maple sap collection systems that are used in the maple industry.