Summit Reuseable Dehumidifier Bag 350G

£5.99(inc VAT) £7.99
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The Summit Reusable Dehumidifier Bag 350G has become an essential moisture control solution for motorhome, caravan, and vehicle owners seeking to combat condensation problems without using electricity. This reusable dehumidifier works by absorbing excess moisture from enclosed spaces using 350g of activated silica gel beads that can lock in up to 40% of their weight in water vapour, preventing windscreen fogging, reducing musty odours, and stopping mould growth that can damage interior surfaces.

The Summit Reusable Dehumidifier Bag 350G stands out through its intelligent colour-changing indicator system, which shifts from blue to pink when the bag requires reactivating. Unlike disposable moisture absorbers, this eco-friendly bag can be dried out hundreds of times using a household microwave at 600 watts for up to 6 minutes, or alternatively placed on radiators or in airing cupboards. The compact 200mm x 115mm x 35mm dimensions allow flexible placement in footwells, under seats, or in door storage compartments without taking up valuable space.

The Summit Reusable Dehumidifier Bag 350G performs consistently across temperature ranges, making it suitable for both summer camping trips and winter storage periods when condensation problems are most severe in caravans and motorhomes. However, users should note that the bag requires regular monitoring of the indicator and periodic recharging to maintain effectiveness, particularly in very humid conditions where moisture absorption rates are higher. The RoHS compliant construction ensures environmental safety while the robust fabric design withstands repeated heating cycles without deterioration.

Summit Reuseable Dehumidifier Bag 350G Features


  • Absorbs excess moisture from the air & prevents condensation
  • Cost effective way of keeping air dry & stops mould, musty smells & mildew
  • Keeps windscreen clear & fog free
  • Ideal to use all year round in cars, caravans & motorhomes
  • Filled with 350g of activated silica gel, absorbs up to 40% of it's weight in moisture
  • Recharge when blue indicator on the bag turns to pink
  • Easily dried indoors on a radiator, in an airing cupboard or microwave
  • Microwave at 600w or less for a maximum of 6 minutes
  • RoHS compliant - made from high quality eco-friendly materials
  • Store conveniently in car foot well, underneath a seat, in door storage etc
  • Measures: H 200 X W 115 X D 35mm

Frequently Asked Questions

How do you recharge the Summit 350G dehumidifier bag in a microwave?
Place the bag on a microwave-safe plate with the blue indicator facing upwards, ensuring the metal grate is removed. Heat at 600 watts or less for a maximum of 6 minutes, checking every 2 minutes. The bag is ready when the indicator changes from pink back to blue and stops releasing steam.
How long does the Summit dehumidifier bag last before needing recharging?
The duration depends on humidity levels and air circulation, typically lasting 2-8 weeks in normal conditions. In very humid environments like bathrooms or during winter storage, it may need recharging every few days. The colour indicator changing from blue to pink signals when recharging is required.
Can you use the Summit dehumidifier bag in freezing temperatures?
Yes, silica gel dehumidifier bags work effectively in sub-zero temperatures, making them ideal for winter caravan and motorhome storage. Unlike electric dehumidifiers, they don't require power and won't be damaged by freezing conditions, continuing to absorb moisture even when temperatures drop below 0°C.
Where should you place the dehumidifier bag in a car or caravan?
Position the bag in areas with poor ventilation where condensation typically forms - under seats, in footwells, door pockets, or storage compartments. In caravans, place near windows or in wardrobes where moisture tends to collect. Avoid areas with direct contact with grease, oil, or liquid water.
How much moisture can the 350G Summit dehumidifier bag absorb?
The bag can absorb up to 40% of its weight in moisture, meaning approximately 140 grams of water vapour from the surrounding air. This capacity makes it suitable for small to medium-sized spaces like car interiors, compact caravans, or individual rooms up to 15-20 cubic metres.
What happens if the dehumidifier bag gets damaged or torn?
If the fabric tears, the silica gel beads inside are chemically stable and non-corrosive, so they won't damage furniture or belongings. However, the beads should be cleaned up promptly and kept away from children and pets as they can cause dehydration if swallowed. The product will lose its effectiveness once the seal is broken.
Can you recharge the Summit dehumidifier bag without a microwave?
Yes, alternative recharging methods include placing the bag on a radiator for 12-24 hours, in an airing cupboard for several days, or in direct sunlight. These methods take significantly longer than microwave recharging and may not achieve complete moisture removal, but they work when microwave access isn't available.
Why does the indicator keep changing from pink back to blue?
This typically occurs in environments with fluctuating humidity levels, such as bathrooms or areas with varying temperature. The indicator responds to ambient humidity changes and will shift colours based on current conditions. If this happens frequently, the space may have sufficient natural ventilation, or the recharging time should be increased by 2 minutes.

EAN-13 : 5012758846446
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If you’ve changed your mind about keeping your purchase, please return it in its original condition with proof of purchase and we’ll exchange or refund it. Unless faulty, this should be within 100 days of receiving your order. By original condition, we’d expect this to mean that you’ve kept packaging and labels, and that the item is undamaged and unused.

For further information of how to return your item, please visit the "Returning an Unwanted/Faulty/Damaged Item" section on our Help Page.
  Did you know we have been established and have been in the caravan and motorhome industry for over 50 years?

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