Lava Flex Jar-Sealer – The Flexible Solution for Every Jar | NEW
Lava Flex Jar-Sealer – The Flexible Solution for Every Jar | NEW
Lava Flex Jar-Sealer – The Flexible Solution for Every Jar | NEW
Lava Flex Jar-Sealer – The Flexible Solution for Every Jar | NEW
Lava Flex Jar-Sealer – The Flexible Solution for Every Jar | NEW
Lava Flex Jar-Sealer – The Flexible Solution for Every Jar | NEW Sous Vide Insulation Balls Original price was: $49.90.Current price is: $39.90.

Lava Flex Jar-Sealer – The Flexible Solution for Every Jar | NEW

$54.90

A flexible vacuum bell that seals jars of almost any shape. Where most jar sealers only fit one lid type, the Flex Jar-Sealer’s silicone bell fits over twist-off jars, mason jars, and round, square, oval, or conical jars up to 106mm wide and 150mm tall. Connect it to your LAVA vacuum sealer or hand pump, place it over the jar, and it pulls the air out for an airtight seal that keeps jams, sauces, pickles, and dry goods fresh for longer.

Works with any LAVA  vacuum sealer in container mode, or the LAVA Easy-Pump.

Lava Flex Jar-Sealer – The Flexible Solution for Every Jar | NEW
Lava Flex Jar-Sealer – The Flexible Solution for Every Jar | NEW
$54.90
Questions? Request a Call Back!

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Flex Jar-Sealer — Specifications

SpecificationDetail
TypeRigid vacuum cover (bell) for jars
MaterialUnbreakable ABS plastic
FitsBulbous twist-off jars and 2-piece aluminium preserving jars
Lid Size8 to 9cm screw cap, max 8.5cm lid diameter
Hose LengthApprox. 85cm
OperationAny LAVA vacuum sealer in container mode
Shelf-Life BenefitExtends food freshness 5 to 10 times
BrandLAVA
LAVA Vacuum Cover for Jars

For Standard Jars and Home Preserving

This rigid vacuum cover is built for common round jars, including bulbous twist-off jars and two-piece aluminium preserving jars.

8-9cm Fits screw cap jars in the standard 8 to 9cm cap range
ABS Unbreakable ABS plastic for repeated use
85cm Approximate hose length gives room to work
5-10x Helps extend food freshness 5 to 10 times

Made for Common Round Jars

The cover fits over bulbous twist-off jars, such as cucumber, sauerkraut, and beetroot jars, as well as two-piece aluminium preserving jars.

Why Vacuum a Jar?

Removing the air slows the oxidation and microbial activity that spoil food, helping preserves, pickles, sauces, and dry goods stay fresh for far longer.

Useful for Preserving and Canning

It is equally useful for home preserving and canning, where pulling a strong vacuum in the jar helps the seal set.

Simple Container Mode Operation

Connect it to your LAVA sealer, switch to container mode, place the cover over the jar lid, run the vacuum, and lift the bell off when the jar is sealed.

High-Quality Vacuum for Standard Jars

If your jars have an 8 to 9cm screw cap, with a maximum 8.5cm lid diameter, this cover fits straight over the lid and pulls a strong vacuum using your LAVA vacuum sealer.

Preserves Helps sealed jars stay fresh for longer storage.
Pickles Useful for cucumber, sauerkraut, beetroot, and similar jars.
Sauces Helps remove air from jars of prepared sauces.
Dry Goods Useful for pantry items where air removal helps freshness.

How to Use the Vacuum Cover

1

Connect Hose

Connect the cover to your LAVA vacuum sealer with the included hose.

2

Container Mode

Switch the sealer to container mode before vacuuming the jar.

3

Set the Lid

For twist-off jars, turn the lid on until you just feel resistance.

4

Place Cover

Place the cover over the jar lid so it sits evenly.

5

Run Vacuum

At full vacuum, lift off the cover and the jar is sealed.

For Other Jar Shapes and Larger Sizes

This cover suits standard round jars in the 8 to 9cm cap range. If you need to seal jars of other shapes or larger sizes, the LAVA Flex Jar-Sealer uses a flexible bell that fits round, square, oval, and conical jars up to 106mm.

Best For

Home preservers and canners, and anyone sealing standard round twist-off or preserving jars to extend shelf life.

Works With

Any LAVA vacuum sealer set to container mode, using the included hose.

Flex Jar-Sealer — Common Questions

What jars does it fit?

Almost any jar up to 106mm in diameter and 150mm in height: twist-off jars, mason jars, and round, square, oval, or conical shapes. The flexible silicone bell sits over the whole jar top rather than fitting one specific lid, which is what makes it so versatile.
A LAVA vacuum sealer with a container mode, or the LAVA Easy-Pump. You connect the sealer to the jar bell with the included 80cm hose, then run the vacuum. It does not seal jars on its own; it needs the sealer or pump to draw the air.
Vacuum lids fit a specific jar mouth size. The Flex Jar-Sealer is a bell that covers the whole jar top, so one unit handles many jar shapes and sizes instead of one. If you only ever seal one standard jar size, lids may suit you; if you have a mix of jars, this is the more flexible option.
Depending on the jar size, you can seal multiple smaller jars in sequence. Each jar is sealed under the bell, then the next.
Both perishable and dry goods. Jams, sauces, pickles, and ferments keep their quality longer, and dry goods like coffee, nuts, flour, and dried herbs stay protected from air and moisture.

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