Home / Mailing Supplies / Sealing Fluid Sealing Fluid High performance sealing fluid for inserters and postage meters. Sort by stock: high to low Sort by stock: low to high Sort by latest Sort by average rating Sort by price: low to high Sort by price: high to low Showing all 3 results Sealing Fluid High Performance Envelope Sealing 4 Gallons0 out of 5 $58.00 Add to cart Sealing Fluid High Performance Envelope Sealing Solution 1/2 Gallon0 out of 5 $11.25 Add to cart Sealing Fluid High Performance Envelope Sealing Solution 1 Gallon0 out of 5 $21.95 Add to cart