# Insulated Pipe Jacket, Cover Type Insulation Jacket, For Fitting Type Straight Pipe Sections, Facing Material Silicone Coated Fiberglass Cloth, Insulation Material Fiberglass; Mineral Wool, Maximum Ambient Temperature 900 Degrees F, Cover Width 18 in, Cover Length 42 in, Thickness 3 in, Color Gray, Fastening System Quick Release Fabric Flap and Wiretwists, For Minimum Circumference 31 in, For Maximum Circumference 38 in, R Value 0.48, For Valve Type Universal, Standards OSHA, Market Industrial

**Manufacturer:** Unitherm  
**MPN:** `IW4218`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Unitherm |
| Manufacturer name | Unitherm |
| Manufacturer | Unitherm |
| CategoryId | 17008 |
| CategoryIdL1 | 33 |
| CategoryIdL2 | 4582 |
| CategoryIdL3 | 17008 |
| CategoryL1 | Plumbing |
| CategoryL2 | Pipes, Valves & Fittings |
| CategoryL3 | Pipe & Tubing Insulation |
| CategoryL4 | Pipe Insulation Jackets |
| DimensionUnit | inch |
| GraingerSku | 48ZY21 |
| UPC | 858163006366 |
| UnitOfMeasure | EA |
| Weight | 6 |
| WeightUnit | lbs |
| cali_prop65_orglabel | False |
| cali_prop65_whtlabel | False |
| countryOfOrigin | US |
| height | 6 |
| jsonUrlData | 924526ffbdad25e5923b |
| length | 24 |
| moq | 1 |
| MPN | IW4218 |
| multiple | 1 |
| qtyInStock | 0 |
| qtyInStockOverride | Drop Ship |
| SKU | G4159569 |
| tierMinQty1 | 1 |
| tierPrice1 | 347.99 |
| url | https://www.zoro.com/unitherm-12-x-42-l-fiberglass-insulated-pipe-jacket-3-wall-iw4218/i/G4159569/ |
| width | 18 |
| Width | 18 in |
| Length | 42 in |
| Cover Length | 42 in |
| For Maximum Outside Diameter | 12 in |
| For Minimum Outside Diameter | 10 in |
| Cover Width | 18 in |
| Item | Insulated Pipe Jacket |
| Thickness | 3 in |
| Insulation Material | Fiberglass, Mineral Wool |
| Jacket Material | Silicone Coated Fiberglass Cloth |
| Fits Max O D | 10 in to 12 in |
| Temp Rating | 900 Degrees F |
| Application | Couplings, Flanges, Straight Sections of Pipe |
| Product Type | Insulated Pipe Jacket |
| For Valve Type | Universal |
| Fastening System | Quick Release Fabric Flap and Wiretwists |
| Market | Industrial |
| R Value | 0.48 |
| For Minimum Circumference | 31 in |
| For Maximum Circumference | 38 in |
| For Fitting Type | Straight Pipe Sections |
| Package Quantity | 1 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G4159569 | 347.99 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/157500000/157852000/part_--IW4218---Unitherm--abdbf9d4c8.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp