BOSCH GAS18V-3N 18V Cordless Wet Dry Vacuum, 2.6 Gallon Port
✅ PROS
- Integrated blower function converts the vacuum into a powerful air mover, clearing sawdust and debris from crevices without extra attachments
- Compact 2.6-gallon footprint with a built-in tool holder and accessory storage clips fits on a toolbox or shelf between jobs
- Auto-clean HEPA filter system self-clears clogs with a 5-second spin of the dust cover — no disassembly needed
❌ CONS
- Bare tool only — battery and charger sold separately, adding $100+ to the real cost if you're not already in the 18V ecosystem
- 2.6-gallon capacity fills fast on renovation dust; you'll empty it several times on larger projects
- Short 4-foot hose included — you'll want an extension for floor work or overhead cleaning
The Verdict
The BOSCH GAS18V-3N isn’t just another shop vac — it’s a cordless dust extractor that thinks like a tool, not an appliance. With 229 Amazon ratings averaging 4.6 stars, it’s clear this compact unit has found its audience. But is it worth the premium over cheaper cordless options? Let me break down what you’re actually paying for.
What’s in the Box
You get the vacuum head, a 4-foot crush-proof hose, two extension wands, a crevice nozzle, a wet/dry floor nozzle, and a cartridge filter with a foam wet sleeve. The HEPA filter is pre-installed. There’s also a removable shoulder strap and a belt hook — thoughtful touches for a tool designed to be carried around a jobsite, not parked in a corner. As shown in the product images, the accessory clips on the rear keep everything together, which matters more than you’d think on a cordless unit.
Real-World Performance
The 18V motor pulls genuinely impressive suction for its size. On dry debris, it handles sawdust, drywall dust, and even small screws without drama. Switching to wet pickup takes about 30 seconds — swap the filter sleeve and you’re ready. The auto-clean HEPA system is the standout feature: when suction drops, you rotate the dust cover ring five times, and the filter self-clears. It genuinely works, and it’s the reason this vac doesn’t lose power mid-task like many cordless rivals.
Battery life depends on your pack. On a 6.0Ah battery, expect roughly 15-20 minutes of continuous use at full power. That’s not a lot, but the tool’s compact design and blower function make it ideal for quick cleanups between cuts, not marathon garage cleanouts. The blower mode is a clever addition — flip a switch and the vacuum becomes a leaf blower for sawdust. It’s saved me more time than I expected.
What Buyers Consistently Praise
The portability and power balance gets repeated praise. One reviewer noted, “I use this daily in my cabinet shop — it cleans up router and saw dust effortlessly and the auto-clean filter means I never lose suction.” Another called it “the best cordless vac I’ve owned for tool dust extraction,” specifically citing the HEPA filtration keeping fine particles contained.
The build quality is classic Bosch — overbuilt, with a latch system that seals tight. Owners consistently mention it feels more durable than the $79 cordless shop vacs from big-box brands. That’s the core value proposition: this is a professional-grade tool, not a homeowner toy.
Where It Falls Short
The bare-tool pricing is the biggest hurdle. If you don’t own Bosch 18V batteries, you’re looking at $100+ extra for a battery and charger. That puts the total near $250, which is steep for a 2.6-gallon vacuum.
The capacity is also a real limitation. On a drywall project, you’ll empty this thing three or four times. The included 4-foot hose is short for floor work — you’ll want the optional 6-foot extension for anything beyond bench-level cleaning. And while the blower is useful, it’s not a substitute for a dedicated blower on larger debris.
Who Should Buy This
Buy it if: You’re already invested in Bosch 18V tools, you do finish carpentry or cabinet work, or you need a portable vac with serious HEPA filtration for fine dust. It’s also ideal for RV owners, boaters, or anyone who needs cordless wet/dry pickup in tight spaces.
Skip it if: You need a whole-house or garage-cleanout vacuum, you’re on a tight budget, or you don’t already own Bosch batteries. For occasional DIY use, a corded shop vac at half the price will serve you better.
FAQ
Q: Can this vacuum pick up standing water? A: Yes, with the foam wet sleeve installed over the cartridge filter. It handles spills and small puddles fine, but the 2.6-gallon tank fills quickly — keep an eye on the float shut-off.
Q: Does it come with a battery and charger? A: No. This is a bare tool, model GAS18V-3N. You’ll need a Bosch 18V battery pack. The GBA18V60 (6.0Ah) gives the best runtime-to-weight balance.
Q: Is the HEPA filter washable? A: The cartridge filter is washable, but Bosch recommends replacing it after heavy use — wash it, let it dry completely, and check for damage before reinstalling.
The Verdict
Rating: 4.6/5 stars
The BOSCH GAS18V-3N earns its reputation as a premium cordless wet/dry vacuum. The auto-clean HEPA filter, integrated blower, and compact build make it genuinely useful on every jobsite. It’s not the right tool for everyone — the bare-tool pricing and small capacity are real drawbacks. But for Bosch 18V owners who need professional-grade dust extraction in a portable package, this is the best option in its class. Buy it if you’re in the Bosch ecosystem and value filter longevity. Skip it if you’re starting fresh or need heavy-duty capacity.
Where to Buy
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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.