Compatible with RegularWide MouthThe electric Mason can vacuum sealer includes two types of sealing ports of 276in339in for your daily use To use a 276inch standard sealed jar simply insert the red arrow on the standard sealed converter align it with the unlock symbol on the host and then insert it into the silicone ring in the wide sealed area Rotate it clockwise and tighten it At this point the arrow aligns with the lock symbol indicating successful installation Quick SealingHands FreeOur electric vacuum pump has upgraded its power making the vacuum effect more pronounced You only need to start it with one click and wait for 40s or more to complete the vacuum sealing of the Mason Jar It will automatically stop after 180s No longer requires manual vacuum pumps with both hands Not wasting time and energy and no longer requires a lot of manual accessories With this integrated electric vacuum sealing machine you can free up your hands Multiple Accessories to Meet Vacuum Sealing RequirementsProvide a variety of accessories including an electric vacuum seal which includes a wide mouth seal a standard mouth seal converter 4 wide mouth Mason tank cover and 4 standard mouth Mason tank cover cap opener charging cable and user guide Our food vacuum sealing kit will help you eliminate air from Mason cans to extend the lifespan of stored food Simple OperationThe food vacuum sealer is used for wide mouth and regular mouth Mason JarsFirstlyDetermine and select the corresponding vacuum sealing device Then ensure that the electric vacuum sealing machine is centered and pressed down firmlyinsert it into the Jar cover click the button to start the vacuum pump for 40 seconds or more and air can be pumped to the sealing area to achieve vacuum preservationClicking the button again will close the sealer Convenient to carry All in One Electric Vacuum Sealer394 274 inches Mason Jars vacuum sealing machine has a small volume like a cup does not take up space and is convenient for storage When camping for an outdoor picnic you dont need to carry a bulky traditional manual vacuum pump just use our electric vacuum sealing machine for easy portability Please NoteTo ensure good sealing do not fill liquid food too full and ensure that the bottle mouth and lid remain dry Excessive liquid can cause a small pressure difference between the inside and outside of the tank leading to sealing failure When the loaded food is relatively full it is recommended that the longer the vacuum time the better the effect Mothers Day GiftsMothers Day is coming soon this is the best gift for mothers making their lives easier package include 1 Vacuum machine 8 Mason jar lid 8 Label sticker 1 Bottle Opener 1 Charging cable 1 Operation guide