




🚰 Seal the deal with confidence — test like a pro!
The Monument 4in (100mm) Nylon Drain Testing Plug is engineered for precise drain pipe blocking and air testing. Featuring a durable nylon build, removable top caps, and rubber rings, it reliably seals pipes within a 92-107mm diameter range and withstands back pressure up to 29psi (1.97bar). Ideal for professional plumbers seeking trusted, efficient drain testing solutions.
| Manufacturer | Monument |
| Part Number | MON1378 |
| Product Dimensions | 8.51 x 9.5 x 9.5 cm; 120 g |
| Item model number | MON1378 |
| Size | 100 mm |
| Colour | Multi-coloured |
| Material | Rubber |
| Power Source | AC |
| Item Package Quantity | 1 |
| Included Components | 1378Z Drain Testing Plug 100mm (4in) |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 120 g |
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