



🔗 Connect with confidence — the smart adaptor for the savvy pro.
The Metric John Guest Speedfit Straight Adaptor features a 12mm tube outer diameter and 1/2" BSP thread, crafted from FDA-approved grey acetal copolymer with nitrile O-rings. Certified to NSF 51 and 62 standards, it offers a durable, leak-proof connection ideal for water, air, inert gases, and pneumatic or vacuum systems, making it a trusted choice for professional-grade plumbing and industrial applications.







| Manufacturer | John Guest |
| Part Number | PI290808S |
| Package Dimensions | 10.7 x 2.7 x 2.7 cm; 10 g |
| Manufacturer reference | PI290808S |
| Size | 12 mm |
| Colour | Gray |
| Material | Acetal |
| Number of Pieces | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 10 g |
M**R
Adapter Mk
Nothing to dislike
D**Y
Spot on fitting
Had to replace our caravan kitchen tap, which came with a 1/2female tap fitting, we had an old 12mm push fit connector but this part allowed me to connect the 1/2” female to out 12mm pipe
S**E
Push fit perfect
Standard fit for 1/2 inch brass. Using push fit joints for campervan conversion.This will be used for shower fitting.
J**S
Reliable
Does what it’s designed to do very well
Trustpilot
1 month ago
1 week ago