The Mighty Mutt Vacuum Sealer Model Purchase Size Price MPV-18 18" Mighty Mutt Vacuum Sealer only. (External air compressor needed) $2195 MPV-18-GF 18" Mighty Mutt Vacuum Sealer with Single Stage Gas Flush included. (External air compressor needed) $2495 MPV-18-BAS 18" Mighty Mutt Vacuum Sealer with Bi-Active Seal and Single Stage Gas Flush. (External air compressor needed) $2820 SPV-18 18" Super Mighty Mutt Vacuum Sealer with Self Contained Air, Bi-Active seal, and Single Stage Gas Flush. $3920 SPK1800 Basic Repair Kit for MPV-18 / SPV-18 Mighty Mutt Vacuum Sealer $145 SPK1800SM Repair Kit for MPV-18 / SPV-18 Mighty Mutt Vacuum Sealer with Bi-Active seal and Self-Contained $179 AC801 Stainless Steel Shelf (MPV-18/SPV-18) $125