Springtech Elite 1000 - This unit has two 8x40 E8 membranes one 3.5 hp feed pump, one 7.5 hp pressure pump, and one 3.5 hp recirculating pump. Only used four seasons and is in great condition.We have 2 machines for sale, other machine has 2 seasons, see our other listing, and will sell both for $34,000. Started with one 2 post, then added second 2 post, now upgrading to 6 posts. Please contact with reasonable offers. 802-738-0709