Backpack Sprayer is an accessory item in Project Zomboid. Wearing it changes run speed to 0.98. Build 42.21 data, November 2026.
Accessory Clothing & armour
Wearing it changes run speed to 0.98. It holds 16. It weighs 5.
Clothing only protects the body parts it covers. Bite and scratch defence stop wounds, insulation keeps you warm, and wind and water resistance matter in storms. Heavy or bulky pieces can slow your running.
Use the item ID in sandbox loot settings, admin tools and mods.
| Item ID | Game category |
|---|---|
Base.KnapsackSprayer | Accessory |
Backpack Sprayer is on 9 loot tables in the game files. Share is how much of a table's total weight this item takes, before your sandbox loot settings. Each container rolls its table several times, so a bigger share and more rolls both mean you see it more often.
| Loot table | Where that table is used | Share | Rolls |
|---|---|---|---|
| Garden Store Tools | Garden Store (crate, shelves) | 3.2% | 4 |
| Tool Store Farming | Outdoor supply (shelves); Outdoor supply storage (shelves); Tool storage (box, shelves); and 2 more places | 1.2% | 4 |
| Gardener Tools | Special spawn (vehicles, events or zombies) | 0.49% | 3 |
| Farmer Tools | Farmer (box, crate, shelves) | 0.39% | 3 |
| Crate Gardening | Garage storage (box, crate) | 0.32% | 4 |
| Crate Farming | Barn (box, crate, shelves); Closet (box, crate); Farm storage (crate, shelves); and 5 more places | 0.27% | 4 |
| Homesteading | Attic (box, crate); Closet (box); Garage storage (box); and 4 more places | 0.15% | 4 |
| Gigamart Farming | General Store (shelves); General store storage (shelves); GigaMart (shelves) | 0.13% | 4 |
It is on 1 more table with smaller shares.
Town by town: loot locations.
Where to find it (loot tables with the highest weight first):
Counts as: any sprayer, any hasmetal, any replaceprimary, any equippable.
It weighs 5 in Build 42.
Base.KnapsackSprayer.
Capacity 16.
Stats and item IDs from the Build 42 game data as listed on pzfans.com. Item art is from Project Zomboid.