STI Smoke and Acoustical Pathway Device: Square, 6.5 in Overall Ht
The STI Smoke and Acoustical Pathway Device: Square (MPN NEZ33-W) is a firestop passthrough for cables, measuring 6.5 in overall height and 6.25 in overall length. This square-shaped device from STI does not include…
SKU 3G-OTH-553355
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Product Description
The STI Smoke and Acoustical Pathway Device: Square (MPN NEZ33-W) is a firestop passthrough for cables, measuring 6.5 in overall height and 6.25 in overall length. This square-shaped device from STI does not include mounting plates.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the STI NEZ33-W smoke and acoustical pathway device used for?
The STI NEZ33-W is a firestop passthrough for cables, designed to seal openings in fire-rated walls or floors. It prevents smoke and sound transmission while maintaining the fire-resistance rating of the barrier, commonly used in commercial and industrial construction.
What are the specifications of the STI NEZ33-W?
The STI NEZ33-W is a square firestop passthrough with an overall height of 6.5 in and overall length of 6.25 in. It does not include mounting plates. The manufacturer part number is NEZ33-W, and it is designed for cable passthrough applications.
Where to buy the STI NEZ33-W worldwide?
3G Electric supplies the STI NEZ33-W smoke and acoustical pathway device to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this firestop passthrough for cables.
How to install the STI NEZ33-W firestop passthrough?
Install the STI NEZ33-W by cutting a square opening in the fire-rated barrier, inserting the device, and sealing edges with approved firestop sealant. Follow local building codes and the manufacturer's instructions for proper smoke and acoustical sealing. No mounting plates are included.
STI Products
3G Electric supplies STI firestop passthroughs for cables. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









