Harvest Right 12″ Impulse Sealer

Don't let your hard work go to waste. After perfectly freeze-drying your food, the final, crucial step is a reliable seal. The Harvest Right 12" Impulse Sealer is engineered to create a perfect, airtight seal on your mylar bags, locking in freshness and flavour for years to come.

This powerful sealer creates a durable, 5mm-wide seal, essential for long-term food preservation. Simply adjust the dial to match the thickness of your mylar bags, press down, and achieve a perfect seal in seconds. For maximum security, we recommend creating a second seal parallel to the first. This ensures that when used with oxygen absorbers, your food is completely protected from moisture and oxygen, extending its shelf life dramatically.

Features

📏

12-Inch Sealing Width

Provides ample space to quickly and efficiently seal a wide variety of mylar bag sizes.

💪

Extra-Strong 5mm Seal

Creates a thick, durable seal that provides a superior barrier against oxygen and moisture.

🌡️

Adjustable Heat Dial

Easily control the sealing temperature to perfectly match the thickness of your mylar bags.

🛡️

Long-Term Preservation

The essential final step for ensuring your freeze-dried food remains fresh for up to 25 years.

Specification

Specification	Value
Sealing Length	12 inches
Sealing Width	5mm
Weight	13 lbs

FAQs

What is an impulse sealer used for?+

An impulse sealer is essential for creating an airtight seal on mylar bags. This process, combined with oxygen absorbers, removes oxygen and moisture, preserving the nutritional value, flavour, and shelf life of your freeze-dried food for up to 25 years.

How do I know what setting to use on the dial?+

The dial setting corresponds to the thickness of your mylar bag. Start with a lower setting and test the seal by gently pulling it apart. If it separates easily, increase the setting slightly until you achieve a strong, solid weld. Most standard Harvest Right mylar bags seal perfectly on a medium setting.

Why is a 5mm seal better than a thinner one?+

The wider 5mm seal provides a much stronger and more reliable barrier against oxygen and moisture compared to standard thin-wire sealers. This extra width creates a more robust weld, significantly reducing the risk of seal failure over long-term storage.

Can I seal liquids with this?+

This impulse sealer is designed for dry contents in mylar bags. Sealing bags with liquid contents is not recommended, as it can interfere with the heating element and prevent a proper seal. Ensure all freeze-dried food is completely dry before sealing.

Is this the best sealer for my Harvest Right freeze dryer?+

Yes, this 12" Impulse Sealer is the official model from Harvest Right, designed to work perfectly with their system. It's the ideal tool to complete your food preservation process. For more tips on getting the most out of your setup, check out our complete freeze dryer buyer's guide.

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Harvest Right 12″ Impulse Sealer