Specified Technologies - Fs400 - Ready Sleeve 4 Firestop Sleeve. 4 in. firestop sleeve kit: includes one 4 in. (102 mm) sleeve, two standard-size escutcheon plates, two firestop gaskets, firestop putty and labels SpecSeal READY(TM)SLEEVE Pathways are a complete UL Classified out-of-the-box solution for new cable penetrations through walls. Each sleeve kit contains a precut metallic sleeve, mounting escutcheons, intumescent escutcheon gaskets, wall warning labels, and the amount of putty required to seal both ends. SpecSeal READY(TM)SLEEVE Pathway kits are simple in design and installation. The larger 2 and 4. (51 and 102 mm) trade sizes, include a unique rolled lip design to eliminate potential sharp edges and do away with the need for conduit bushings. Bushings are required (and included) for the 1 (25 mm) trade size sleeve. SpecSeal READY(TM)SLEEVE Pathways are sized to the same O.D. as standard EMT (Electrical Mechanical Tubing) and will accept EMT accessories such as grounding bushings. Additionally, SpecSeal READY(TM)SLEEVE Pathways provide an easy method for compliance with the sleeve attachment requirements of the 2000 IBC Section 711.2 without the need for struts or other bracing. Economical - significant material and labor savings vs. field fabricationReady to install out of the box firestop sleeve kit - kit comes complete with no additional parts requiredNo external firestop seal required - factory-supplied intumescent firestop gasketUL Classified and code compliantPutty is FM ApprovedFor rated and non-rated barriersSolid or split sleeves availableAvailable in three sizes - 1 in., 2 in. and 4 in. Attributes Type: FIRE STOP Size: 4 Unspsc Code 43170000 Also known as -Specified Technologies FS400 SpecSeal Ready Firestop Sleeve Pathway Kit Red-Specified Tech FS400 0.059"x4" Zinc Plated Steel Firestop