Dust Reduction System - ST9 - Heavy Terrain Products

ST9 STANDARD 9” FAN

A durable, weatherproof, and aerodynamic cover featuring built‑in cyclonic directional airflow for improved performance, complete with an integrated dust and rain deflector.

9″ australian made fan

high quality aluminium washable filter

internal diffuser ensures balanced air flow

A durable, weatherproof, and aerodynamic cover featuring built‑in cyclonic directional airflow for improved performance, complete with an integrated dust and rain deflector.

9″ australian made fan

high quality aluminium washable filter

internal diffuser ensures balanced air flow

Australian made and engineered for serious offroad travel, the new ST9 Cabin Pressure / RV Dust Reduction System delivers powerful dust protection with improved airflow and rugged reliability.

Featuring a 9″ fan and an aerodynamic lid designed to perform in demanding conditions, the ST9 creates positive pressure inside your van—stopping dust before it enters and keeping your interior clean, protected and adventureready.

For easy upgrades, the ST9 is also designed to retrofit directly into the 290×290 mm cutout used by the Dometic DRS, making replacement simple and hasslefree.

REDUCE DUST INGRESS

Maintains positive pressure while driving.

BALANCED AIRFLOW

Internal diffuser ensures smooth, even distribution.

FILTERED AIR

Featuring a new aluminium washable filter to reduce dust and safeguard your gear.

UV RESISTANT COVER

Durable, weatherproof, and now redesigned.

EASY RETRO FIT

290 × 290 mm cut-out for easy retrofit replacement of Dometic DRS

BUILT FOR AUSSIE CONDITIONS

Tough, tested, and reliable.

Tested across Australia’s harshest terrain, it’s proven to perform under pressure—so you can explore further without bringing the dust along for the ride.

SPECIFICATIONS

ULTIMATE DUST REDUCTION

FAN

Davies Craig Australian Made 12V 9” Fan rated at
847 CFM
Draw when in use: 6.5 Amps
Min. Cable Size: 4mm

FILTER

HP aluminium washable filter

WEIGHT

4.8 KG

SHIPPING

TNT Road Express or in store pickup.

CODE

ST9

MATERIAL

UV Resistant Plastic Housing with
internal white diffuser

DIMENSION

Internal Diffuser: 395 x 395mm External Roof Cover: 565 x 610mm Roof Cut Out: 290 x 290mm Height above roofline: 165mm Suits roof thickness: 40-50mm
(Optional Roof Spacer available for thinner roof if required)