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Straight Reducing Exhst Bellows 3IN-4IN

Description & Features

Designed for exhaust system connections where a size transition is required, the Straight Reducing Exhaust Bellows 3In-4In from Trident Rubber accommodates a reduction between 3-inch and 4-inch connection points. The bellows construction allows for controlled movement and vibration absorption at the joint, making it well suited for industrial exhaust line installations where thermal expansion or minor misalignment needs to be managed.

Manufactured by Trident Rubber, this straight reducing bellows provides a flexible coupling solution in a compact, inline profile. The reducing geometry simplifies transitions between differing exhaust line diameters without the need for additional adapters.

SKU: 270V4030

Supplier Part Number (MPN): 270V4030

Specifications

Class WEB-ITEM	Brand Trident Rubber LLC	Brand Trident Rubber	Pack Size 1.00	UOM EA	Supplier Part Number 270V4030	Product Weight 0.99 lbs

Product Questions & Answers (1)

Question by: Neal J on Nov 4, 2025, 7:41 PM

Hey, I've got a 3-inch exhaust pipe and need to hook it up to a 4-inch one. Will this thing do the trick without extra fuss?

Answer by: Customer Support on Nov 6, 2025, 3:16 PM

Designed specifically for situations like yours, this exhaust bellows makes the transition from a 3-inch to a 4-inch exhaust connection straightforward, eliminating the need for extra adapters.