4 WAY DIFFUSERReplacement HVACR Fans, Filters & Ventilation Parts

4 WAY DIFFUSER Air Filter Pad: SDIG77400

4 WAY DIFFUSER Replacement HVACR Fans, Filters & Ventilation Parts.

SKU 3G-OTH-614938

Also listed as: SDIG 77400 · SDIG-77400

Brand

4 WAY DIFFUSER

Item

Air Filter Pad: SDIG77400

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

4 WAY DIFFUSER

Manufacturer Part Number

SDIG77400 

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

4 WAY DIFFUSER Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

4 WAY DIFFUSER Replacement HVACR Fans, Filters & Ventilation Parts.

Frequently Asked Questions

What is a 4 WAY DIFFUSER Air Filter Pad used for?

The 4 WAY DIFFUSER Air Filter Pad (SDIG77400) is a replacement filter pad designed for HVACR systems that use four-way diffusers. It captures airborne particles to maintain indoor air quality and protect equipment in commercial and industrial ventilation applications.

What are the specifications of the 4 WAY DIFFUSER Air Filter Pad SDIG77400?

The 4 WAY DIFFUSER Air Filter Pad has manufacturer part number SDIG77400 and SKU SDIG77400. It is a replacement part for HVACR fans, filters, and ventilation systems. For exact dimensions and material specifications, consult the product datasheet or contact 3G Electric.

Where to buy a 4 WAY DIFFUSER Air Filter Pad worldwide?

3G Electric supplies the 4 WAY DIFFUSER Air Filter Pad SDIG77400 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this replacement HVACR filter pad.

How to install a 4 WAY DIFFUSER Air Filter Pad?

To install the 4 WAY DIFFUSER Air Filter Pad, first turn off the HVACR system. Remove the diffuser grille, take out the old pad, and insert the new SDIG77400 pad ensuring proper fit. Reattach the grille and restore power. Always follow manufacturer guidelines for safe replacement.

Used in

Common applications for 4 WAY DIFFUSER

Commercial office HVAC — 4 WAY DIFFUSER square louvered diffuser with filter (e.g., SDIG77510) for ceiling supply air distribution in open-plan workspaces.

Light industrial facility ventilation — 4 WAY DIFFUSER 8-inch duct diffuser (SKU 36N452) for filtered air delivery in manufacturing areas with moderate particulate levels.

Retail store climate control — 4 WAY DIFFUSER 12-inch duct model (SKU 36N454) for even air dispersion in sales floors with suspended ceilings.

Institutional building retrofit — 4 WAY DIFFUSER 14-inch duct diffuser (SKU 36N455) for replacing outdated ceiling diffusers in schools or hospitals.

Lobby or reception area — 4 WAY DIFFUSER 16-inch duct diffuser (SKU 36N456) for high-volume air distribution with adjustable blade direction.

Warehouse office zone — 4 WAY DIFFUSER 6-inch duct diffuser (SKU 36N451) for localized cooling in small enclosed spaces within larger facilities.

4 WAY DIFFUSER Products

3G Electric supplies 4 WAY DIFFUSER replacement hvacr fans, filters & ventilation parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all 4 WAY DIFFUSER products →Contact our engineers →

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from 4 WAY DIFFUSER

View all 4 WAY DIFFUSER parts →

4 WAY DIFFUSER

4 WAY DIFFUSER Air Filter Pad: SDIG77444