Improvised Gas Mask Filter
The Improvised Gas Mask Filter is a craftable attachment made from a Plastic Bottle and Dust Mask. It fits the Gas Mask and NBC Respirator, takes 2 inventory slots, weighs 100 g, lasts just over 5 minutes inside a contaminated zone, and can be refilled with Charcoal Tablets.
Quick item summary
Quick answer
The Improvised Gas Mask Filter is an emergency filter attachment for the Gas Mask and NBC Respirator. It helps protect a survivor from contaminated-zone gas when used with a compatible mask and a complete NBC suit. It has far less active filtering time than a standard Gas Mask Filter, but Charcoal Tablets can restore its remaining capacity.
In-game description
“Not the most reliable of designs, but definitely effective when in need.”
Main Uses
- Attach to a Gas Mask
- Attach to an NBC Respirator
- Provide temporary contaminated-zone filtration
- Use as an emergency alternative to a standard Gas Mask Filter
- Refill with Charcoal Tablets
- Carry multiple filters for longer contaminated-zone trips
How to use this item
Craft an Improvised Gas Mask Filter
Combine a Plastic Bottle with a Dust Mask to craft the improvised filter.
- Find an empty Plastic Bottle.
- Find a Dust Mask.
- Combine the Plastic Bottle with the Dust Mask.
- Craft the Improvised Gas Mask Filter.
- Attach it to a compatible Gas Mask or NBC Respirator.
Use the filter in a contaminated zone
Attach the filter to a compatible mask and wear a complete NBC suit before entering contaminated gas.
- Equip a complete NBC protection set.
- Equip a Gas Mask or NBC Respirator.
- Attach a filter with remaining capacity.
- Enter the contaminated zone only while the full setup is equipped.
- Leave immediately or replace the filter when your character begins gasping for air.
Refill with Charcoal Tablets
Each Charcoal Tablet restores 10% of the Improvised Gas Mask Filter's capacity.
- Remove the filter from the mask before refilling it.
- Combine the filter with Charcoal Tablets.
- Use one tablet for each 10% of capacity you want to restore.
- Use 10 tablets to refill a completely empty filter.
- Reattach the filter after refilling.
How to get Improvised Gas Mask Filter
- Craft it by combining a Plastic Bottle with a Dust Mask.
- Loot players carrying NBC or contaminated-zone equipment.
Spawn info
- • The Improvised Gas Mask Filter must be crafted.
- • It is made from a Plastic Bottle and Dust Mask.
- • It fits the Gas Mask and NBC Respirator.
- • It lasts about 53 minutes outside contaminated zones.
- • It lasts just over 5 minutes inside contaminated zones.
- • It can be refilled with Charcoal Tablets.
- • Each Charcoal Tablet restores 10% capacity.
Medical notes
Risks
- • The filter depletes rapidly inside contaminated zones.
- • A mask and filter alone do not replace the rest of the NBC suit.
- • Running out of filter capacity inside toxic gas leaves the survivor exposed.
- • Gasping is an audible warning that the filter is nearly depleted.
Related symptoms
- • Gasping for air
- • Gas exposure
- • Contamination illness
Prevention tips
- • Provides temporary filtration when attached to a compatible mask.
- • Helps prevent contamination illness only as part of a complete NBC protection setup.
Important notes
- The Improvised Gas Mask Filter is crafted from a Plastic Bottle and Dust Mask.
- It can attach to the Gas Mask and NBC Respirator.
- A compatible mask, active filter, and full NBC suit are required for contaminated-zone protection.
- It lasts about 53 minutes when used outside contaminated zones.
- It lasts just over 5 minutes inside a contaminated zone.
- The survivor begins gasping when the filter is nearly depleted.
- Remove the filter from active use before refilling it.
- Each Charcoal Tablet restores 10% of its filtering capacity.
- Ten Charcoal Tablets fully refill an empty Improvised Gas Mask Filter.
- Carry multiple filters or enough Charcoal Tablets before entering a contaminated zone.