
Built for Real Kitchens. Engineered for Real Results.
Professional-Grade Suction
At 60kPa with a 3.5L/min flow rate, FreshLock Pro pulls air out fast and completely. You get airtight results that rival professional preservation equipment — right on your countertop.
Works With Any Mason Jar
Whether you use standard or wide-mouth jars, FreshLock Pro handles both with the included converter. Your entire jar collection is covered from day one — no extra purchases needed.
Auto-Stop Smart Sensor
Forget babysitting the process. FreshLock Pro's intelligent sensor detects optimal vacuum pressure and stops automatically, so every seal is perfect without any effort on your part.
Always Charged, Always Ready
The built-in 1200mAh battery charges via USB-C and holds a standby charge for a full 30 days. No dead batteries mid-meal-prep — FreshLock Pro is ready whenever you are.
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Frequently Asked Questions
How quickly does FreshLock Pro seal a jar?
How quickly does FreshLock Pro seal a jar?
Sealing time ranges from 1 to 60 seconds depending on the jar's size. The smart sensor detects when the ideal vacuum level is reached and shuts off automatically — you never have to time it yourself.
Will it work with my brand of mason jars?
Will it work with my brand of mason jars?
Yes. FreshLock Pro is designed for all standard and wide-mouth mason jars, including popular brands like Ball and Kerr. If it has a flat lid, it almost certainly works.
How many jars can I seal before needing to recharge?
How many jars can I seal before needing to recharge?
Expect roughly 30 to 50 sealing cycles per full charge, depending on jar size. The 30-day standby time means it stays ready in your drawer without constantly needing a top-up.
Does it work with jars that use metal lids and rings?
Does it work with jars that use metal lids and rings?
FreshLock Pro is optimized for flat mason jar lids. For best results, seal with a flat lid first, then add a ring for extra security. It isn't designed for one-piece screw caps.
How do I know when the seal is complete?
How do I know when the seal is complete?
The device stops on its own once optimal vacuum is reached — you'll feel and hear it click off. The digital display also shows elapsed time and remaining battery so you're always in the loop.
Is FreshLock Pro hard to clean?
Is FreshLock Pro hard to clean?
Not at all. Just wipe the silicone contact area with a slightly damp cloth after each use. The ABS body resists staining and odors, so a quick wipe is all it ever needs.
Can I reuse the sealing caps that come in the box?
Can I reuse the sealing caps that come in the box?
Absolutely. All 10 included caps are built for repeated use. Rinse them with warm soapy water, let them dry fully, and they'll maintain a reliable seal cycle after cycle.
What is the difference between the two cap sizes?
What is the difference between the two cap sizes?
The large caps fit wide-mouth jars with bigger openings, while the standard caps fit regular-mouth jars. Both create the same strong vacuum seal — just choose the right size for your jar.