Mastercraft USA

Three-stage filtration is not just a design preference — it is a cost and performance decision.

A single-stage system assigns the full collection burden to the HEPA filter. The result: faster loading, shorter filter service life, and higher per-job filter cost.

The INFILTRATOR three-stage architecture — used across the Mastercraft and Sootmaster lines — distributes that load across a collection bag, an intermediate filter, and the HEPA element. Each stage handles what it is engineered to handle, and each one extends the operational life of the stage that follows.

In practical terms: lower total filter cost per job, more consistent system performance across a service interval, and a HEPA filter that maintains its rated efficiency longer because it is not processing the full particulate load.

Which filtration architecture does your team currently use on regulated job sites?

Every vacuum system has two specifications that matter.
The first is how much air the motor can move. The second is what fraction of captured particulate the filter retains.
Most equipment conversations focus on the first. The second determines whether the system is actually containing fine particulate — or processing it through the collection housing and returning a portion of it to the working environment through the exhaust.
The Infiltrator 16" Absolute HEPA Filter with Gasket is certified at 99.97 percent efficiency at 0.3 microns using the Hot DOP test method. The perimeter gasket seal eliminates the bypass pathway at the filter-to-housing interface — the point where unfiltered air exits a system with an unsealed filter regardless of how the filter medium itself performs.
For soot, ash, silica, and sub-micron combustion particulate, filtration specification is not a secondary detail. It is the specification that determines whether the rest of the system performs as rated.
Explore professional filtration at mastercraftusa.com