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Firestop pillow for sealing wall and floor penetrations in fire-rated assemblies. Measures 3 inches wide by 9 inches long, red in color, with a 4-hour fire rating. Non-interlocking design for use around cables or pipes passing through openings.

STI

STI Firestop Pillow SSB36, 3 in W x 9 in L, 4 hr Fire Rating, Red

BrandSTI

CategoryFirestop Pillows

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The STI LCC150 is a 2-hour rated firestop collar designed for 1.5 in plastic pipes. It is used to seal pipe penetrations in fire-rated walls and floors, preventing flame and smoke spread in common construction surfaces.

STI

STI LCC150 Firestop Collar for 1.5 in Plastic Pipes, 2 Hour Rating

BrandSTI

CategoryFirestop Collars for Pipes

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Square wall mounting bracket for passthrough devices, 8.5 in height, 12 in length, 2 in width. Rated for 4-hour fire protection. Used for retrofitting existing openings requiring a fire-rated enclosure.

STI

STI EZP133R Retro Fit Plate Square 4 hr Fire Rated Wall Mounting Bracket

BrandSTI

CategoryWall Mounting Brackets for Passthrough Devices

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Rectangular firestop passthrough for cables, 10.75 in high, 14 in long, 23 in wide. Includes two mounting plates for installation in walls or floors to maintain fire-rated integrity.

STI

STI EZDG844S2 Rectangular Fire Barrier Pathway for Cables

BrandSTI

CategoryFirestop Passthroughs for Cables

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Round firestop passthrough for sealing cable penetrations in fire-rated walls and floors. Includes two mounting plates. Overall dimensions: 2 in height, 2 in length, 2.5 in width. Used to maintain fire integrity by preventing flame and smoke spread through cable openings.

STI

STI FS201 Firestop Passthrough for Cables, Round, 2 in Ht x 2 in Lg x 2.5 in Wd

BrandSTI

CategoryFirestop Passthroughs for Cables

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Round firestop grommet rated for 2-hour fire protection. Seals cable penetrations through fire-rated walls and floors. Overall height 9.5 in, length 1.63 in, width 1 in. Accepts cables up to 0.53 in diameter.

STI

STI Firestop Grommet: Round

BrandSTI

CategoryFirestop Grommets for Cables

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Round firestop passthrough for sealing cable penetrations in fire-rated walls and floors. Includes two mounting plates. Overall dimensions: 4 in height, 12 in length, 8.25 in width.

STI

STI FS401 Firestop Passthrough for Cables, Round, 4 in H x 12 in L x 8.25 in W

BrandSTI

CategoryFirestop Passthroughs for Cables

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Round wall mounting bracket for passthrough devices. Overall height 2.13 in, length 6.25 in, width 7.5 in. Used for routing cables or equipment through walls in commercial and industrial settings.

STI

STI Round Wall Plate EZP133CA

BrandSTI

CategoryWall Mounting Brackets for Passthrough Devices

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Rectangular firestop passthrough for cables, model EZD44S2. Overall dimensions: 4.5 in height, 14 in length, 4.5 in width. Used to maintain fire compartment integrity where cables penetrate walls or floors in industrial installations.

STI

STI EZD44S2 Firestop Passthrough for Cables, Rectangular, 4.5 x 14 x 4.5 in

BrandSTI

CategoryFirestop Passthroughs for Cables

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Rectangular metal firestop passthrough for sealing cable penetrations through fire-rated walls and floors. Includes a single mounting plate. Overall dimensions: 6.5 in height, 14 in length, 4.5 in width.

STI

STI EZDP144FKS2 Firestop Passthrough for Cables

BrandSTI

CategoryFirestop Passthroughs for Cables

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Frequently asked questions

Common questions about STI from 3G Electric.

Does 3G Electric supply STI products?

Yes — 3G Electric (S) Pte. Ltd. supplies STI products. We stock the STI catalog and supply genuine factory-original products with full manufacturer warranty and technical support.

What STI products does 3G Electric stock?

STI industrial equipment and spare parts for commercial and industrial applications.

Where can I buy STI industrial equipment?

You can order STI products directly from 3G Electric. Commonly ordered items dispatch quickly from in-stock inventory. For non-stocked models or custom configurations, typical lead time is 2–6 weeks direct from the STI factory. Request a quote via our contact page for pricing and availability.