STI Smoke and Acoustical Pathway Device: Square, 6.75 in Overall Ht
The STI Smoke and Acoustical Pathway Device: Square (MPN NEZDP433) is a firestop passthrough for cables, measuring 6.75 in overall height and 4 in overall length. It includes two mounting plates and is designed for…
SKU 3G-OTH-553354
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Product Description
The STI Smoke and Acoustical Pathway Device: Square (MPN NEZDP433) is a firestop passthrough for cables, measuring 6.75 in overall height and 4 in overall length. It includes two mounting plates and is designed for square-shaped cable pathways.
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 NEZDP433 smoke and acoustical pathway device used for?
The STI NEZDP433 is a firestop passthrough for cables, designed to seal square cable pathways against smoke and sound transmission. It is commonly used in commercial and industrial wall or floor penetrations where fire-rated cable routing is required.
What are the specifications of the STI NEZDP433 firestop passthrough?
The STI NEZDP433 has a square shape, 6.75 in overall height, and 4 in overall length. It includes two mounting plates and is manufactured by STI under MPN NEZDP433. It is designed for firestop cable passthrough applications.
Where to buy the STI NEZDP433 smoke and acoustical pathway device worldwide?
3G Electric supplies the STI NEZDP433 smoke and acoustical pathway device worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time.
How to install the STI NEZDP433 firestop passthrough for cables?
Install the STI NEZDP433 by mounting the two included plates on either side of the wall or floor penetration. Route cables through the square opening, then seal gaps with approved firestop caulk or putty per local codes. Always follow the manufacturer's instructions for fire-rated assemblies.
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.









