Description
Toxic silica exposure regulations demand continuous HEPA filtration that never clogs during structural concrete renovation. The Nilfisk ATTIX 33-01 IC HEPA combines certified 0.3 micron containment with a 1000W motor producing 148 CFM and 92-inch water lift. The manual switch architecture requires the operator to walk back to the machine to power it up between cuts.
Thick-wall structural polyethylene forms the 8 Gallon canister, surviving rough drop impacts from flatbed trailers without puncture. The dual-filter system pairs an InfiniClean reverse-pulse mechanism with a downstream certified HEPA filter cartridge, halting toxic dust penetration. Independent motor cooling chambers pull ambient room air across field coils, preventing abrasive particulate scoring on the commutator. Precision molded elastomeric seals block unconditioned vacuum air from bypassing the secondary HEPA chamber.
Certified HEPA Pulse Matrix
Remediation contractors deploy this machine to meet OSHA Table 1 silica compliance on commercial job sites. The mechanical reverse-pulse hardware maintains high airflow through thick concrete grinding plumes.
- Certified HEPA filtration captures 99.97% of toxic dust particles down to 0.3 microns
- InfiniClean automatic cleaning system pulses the primary filter every 15 seconds to stop blinding
- 1000W high-efficiency vacuum motor pulls 148 CFM and 92-inch water lift for deep dust capture
- 8 Gallon polyethylene canister resists cracking from abrasive masonry fragments and chemical washes
- Dual-stage filtration architecture protects the secondary HEPA cartridge from premature loading
- Heavy-duty rubber latches maintain constant downforce on the upper powerhead perimeter gasket
- Commercial contractor toolkit includes aluminum wands, rugged floor nozzles, and connection fittings
Bench Testing Heat Telemetry
Electrical load draws 8.3 Amps on standard 120 Volt circuits under continuous closed-inlet suction testing. Motor casing metal temperatures rise 36°F above ambient after 50 minutes of loaded dust extraction. Air exhaust discharge registers 116°F under sustained resistance through the HEPA chamber. Vacuum loss measures 8-inch water lift across a standard 13-foot extraction hose. Sound output meters track 60 dBA at 10 feet under open intake, rising to 65 dBA during reverse pulse bursts.
Remediation Limits Maintenance Protocol
The 32-pound machine maneuvers well around structural columns, but the lack of an onboard tool socket complicates solo miter saw operations. High-volume slurry recovery teams should look elsewhere, as thick wet concrete sludge blocks the automatic pulse vents and ruins dry filtration cartridges. Sucking hot chimney soot or boiler ash will burn through the primary filter and destroy the expensive HEPA stage.
- Inspect the secondary HEPA filter perimeter seal once per week for dust tracking bypass
- Blow out the InfiniClean pulse pilot valve using dry compressed air under 30 PSI
- Replace the fleece collection bag when two-thirds full to prevent overfilling the canister
Factory Coverage Carton Manifest
Nilfisk backs this machine with a 2-Year commercial warranty covering motor, electronics, and InfiniClean components. The shipped carton contains the 8 Gallon vacuum, primary PTFE filter, certified HEPA cartridge, 13-foot suction hose, curved tube, two extension wands, commercial floor tool, and fleece bag.

