Compatible with Purair BASIC, FLOW, and PCR series

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Ships within 1–2 weeks · Canada-wide delivery

Sold 1 per pack — check your unit’s filter count

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Health Canada & Public Health Compliant

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Air Science ASTS-030 · HEPA Filter for Powders & Particulates

High-efficiency HEPA filter with 99.99% efficiency at 0.3 micron, designed for powder and particulate applications in ductless fume hoods. Compatible with Purair BASIC, FLOW, and PCR series. Sold one per pack — confirm how many your unit requires.

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CA

$549.00

Qty

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Efficiency

99.99%

@ 0.3 micron

Type

HEPA

powders + 
particulates

Dimensions

18 × 18 × 2 in

W × D × H

Pack

1 per pack

check filter count

Efficiency 99.99% at 0.3 micron
Filter Type HEPA
Application Powders & particulates
Size (W × D × H) 18″ × 18″ × 2″
Sold 1 per pack
Purair BASIC P5-24XT, P5-36XT, P5-48XT
Purair FLOW FLOW-24, FLOW-48
Purair PCR PCR-24, PCR-48
Filters Required 24″ & 36″ units take 2 filters · 48″ units take 4 filters
Manufacturer Air Science
Model Code ASTS-030
SKU 13-003

99.99% @ 0.3μ

True HEPA efficiency at the most-penetrating particle size. Captures fine powders and particulates.

Powder-rated

Designed specifically for powder and particulate compounding applications.

Wide compatibility

Fits Purair BASIC, FLOW, and PCR series ductless hoods.

Drop-in replacement

Standard 18″ × 18″ × 2″ form factor. No tools beyond the routine filter-change procedure.

Deployment contexts

Where to use the ASTS-030

A HEPA filter for ductless hoods handling powders and fine particulates. Use when:

01 / Powder compounding

Non-sterile powder work.

Powder containment for capsule and tablet preparation and other fine-particulate compounding.

Non-sterile powder work
Capsule & tablet prep
Fine-particulate containment
02 / Particulate control

Dust-generating processes.

Capture of airborne particulates during weighing, dispensing, and sample preparation.

Dust-generating processes
Weighing & dispensing
Sample prep
03 / Filter replacement

Scheduled maintenance.

Routine filter changes to maintain face velocity and keep the hood within its operating envelope.

Scheduled filter changes
Maintaining face velocity
Compliance upkeep
- Warranty

Consumable — no warranty applies.

The ASTS-030 is a consumable filter and is not covered by a product warranty. Filter life depends on usage, loading, and application.

Filter Life & Replacement

Replacement interval depends on use, particulate loading, and application. Monitor your hood’s low-airflow alarm and follow Air Science’s recommended change schedule. Delmen can set up recurring filter orders on request.

- Regulatory context
Compliance & regulatory.

The ASTS-030 HEPA filter is manufactured by Air Science. Compliance claims are manufacturer-held.

99.99% @ 0.3μ
RoHS Compliant
FILTRATION EFFICIENCY 99.99% at 0.3 micron (HEPA)
MATERIALS RoHS compliant
MANUFACTURER Air Science
COMPATIBILITY Purair BASIC / FLOW / PCR series
ASTS-030 Spec Sheet
PDF · ASTS-030
coming soon...
Filter Selection Guide
PDF · Air Science
coming soon...
Hood Compatibility Chart
PDF · Purair series
coming soon...
Filter-Change Procedure
PDF · Maintenance
coming soon...

-FAQ

ASTS-030 HEPA Filter common questions

Procurement-focused. We respond within 24 hours on

business days.

Procurement-focused. We respond within 24 hours on business days.

Still have questions?

Send us your room dimensions and we'll confirm this is the right model before you order.

Request a Quote

How many of these filters does my hood need?

It depends on the hood width: 24″ and 36″ Purair units take 2 filters, and 48″ units take 4. For example, the P5-36XT takes 2 and the P5-48XT takes up to 4. Confirm your model before ordering, and Delmen can check the count for you.

Is this the right filter for the chemicals I handle?

The ASTS-030 is a HEPA filter, which captures powders and particulates. It is not the right media for solvent or chemical vapors — those require a carbon-based or chemically-rated filter. If your workflow involves vapors, send Delmen your chemical list and we'll match the correct filter type. Don't assume HEPA covers vapors, because it doesn't.

How often do I need to replace it?

Replacement interval depends on use, particulate loading, and application — there is no fixed calendar date. Watch your hood's low-airflow alarm, which signals when face velocity drops, and follow Air Science's recommended change schedule. Delmen can set up recurring filter orders so you don't run out.

Will this fit my Purair hood?

The ASTS-030 fits the Purair BASIC, FLOW, and PCR series in the standard 18″ × 18″ × 2″ form factor — including the P5-24XT, P5-36XT, P5-48XT, FLOW-24/48, and PCR-24/48. If you're unsure which filter your specific unit uses, check the hood compatibility chart or ask Delmen.

 

Can Delmen set up automatic recurring filter orders?

Yes. Delmen can arrange recurring filter shipments on a schedule that matches your usage, so replacements arrive before you need them. Ask us to set up a recurring order and we'll confirm the filter count and interval for your hood.

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Where does this model fit your operation?

NOR-5L416 is the standard fit for the vaccine clinic and family practice path. See 

where other models sit relative to your volume and footprint needs.

01 · Front-counter dispensary

Small footprint. Dispensing-station ready.

Sits beside the dispensing workstation — clears most under-counter cabinets at 32″ height

Handles 30–80 door-opens per day

Standard 15A outlet, no dedicated circuit

Typical: independent pharmacy keeping 30–60 days of vaccines and insulin within arm's reach

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02 · Vaccine clinic / family practice

Daily-throughput uprights. Heated glass for stock checks.

Heated glass lets staff confirm stock levels without opening the door — critical for temperature stability

Typical: walk-in flu and travel clinic running 80–150 doses per day, restocked weekly from a central depot

Often paired with an NOR-5L42 under-counter as overflow during campaign season

Needs 4″ rear and 2″ side ventilation clearance

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03 · Long-term care & central storage

High-capacity uprights and double-door for bulk storage.

Hospital pharmacy or LTC central fill — bulk vaccine, biologics, and refrigerated compounds in one room

Sized for 200+ door-opens per shift

Lockable doors standard; double-door models ship on a pallet with lift-gate service

Consider TempGuard series for sites with unreliable power infrastructure

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