



Marshall Tufflex MC3BK Black Straight Round Conduit Plain Coupler 25mm
MC3BK
Marshall Tufflex MC3BK Straight Conduit Coupler – 25mm, Black, High-Impact PVC-U for Secure Inline Connections
The Marshall Tufflex MC3BK Straight Conduit Coupler is engineered to join two sections of 25mm round conduit with a secure and professional finish. Made from super high impact PVC-U, it’s ideal for maintaining clean, continuous conduit runs in demanding installations.
- 25mm Inline Coupling: Designed to connect two 25mm conduit lengths in straight-line configurations.
- Plain Ended Push-Fit: Smooth, unthreaded entry points for fast, tool-free installation.
- Durable PVC-U Construction: Built from tough, impact-resistant PVC-U to handle commercial and industrial use.
- Low-Profile Design: Provides a neat surface appearance with minimal visual disruption.
- System Compatible: Fully integrates with Marshall Tufflex conduit and accessory systems.
Technical Specification
- Material: Super High Impact PVC-U
- Colour: Black
- Connection Type: Straight plain coupler
- Conduit Size: 25mm
- Installation: Push-fit plain ends
✅ Choose the Marshall Tufflex MC3BK for quick, strong, and tidy joins in 25mm conduit systems!

Ean Code | 5020837242560 |
Product | Round PVC Coupler |
Type | Straight |
Colour | Black |
Diameter | 25 mm |
Mounting | Surface |
Material | PVC-U |
Standards | BS EN 61386 BS 4607 |
Ce Approved | N |
Fixings Included | N |
Nominal Width | 25 mm |
Included Fixings | N |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.