Super-Seal 2-GALLONS Concentrate Sealing Solution for Pitney Bowes, Hasler, Neopost, FP, Secap & Data-Pac Mailing Systems & Postage Meters. Compare to Pitney Bowes E-Z Seal at $59.95 per half-gallon! Every 8oz of sealing concentrate mixed with tap water yields 2 full gallons of mail envelope sealing solution. Super-Seal 2-GALLONS Concentrate Sealing Solution for Pitney Bowes, Hasler, Neopost, FP, Secap & Data-Pac Mailing Systems & Postage Meters. Compare to Pitney Bowes E-Z Seal at $59.95 per half-gallon! Every 8oz of sealing concentrate mixed with tap water yields 2 full gallons of mail envelope sealing solution. Super Seal Security Sealing Solution is a proven combination of ingredients formulated to instantly activate glue upon contact. Envelopes, tape, stamps or any item requiring a moistened glue strip can be activated with Super Seal. Additionally, Super Seal keeps systems free of any destructive mineral, algae or bacteria development associated with the regular use of water. Super Seal can be used in any mailing machine, inserter or tape machine and is conveniently poured into any sealing system reservoir. The introduction of Super Seal into your sealing system will save you time and money. It eliminates the expense of recreating documents and communications lost in the mail stream due to unsealed envelopes and the cost of unnecessary maintenance due to poor sealing system performance. Unlike Quick Seal and EZ Seal security sealing solutions, Super-Seal Concentrate sealing solution makes more solution for less money. 4oz concentrate = 1-gallon. Concentrate sold in 4oz quantity yielding 1-gallon, 8oz quantity yielding 2-gallons & 16oz quantity yielding 4-gallons. Compare to Kwik-Seal SSM34 & E-Z Seal 608-0 for substantial savings.