Brett Martin B6350 450mm x 350mm Inspection Chamber Reducer
- Brett Martin B6350 reduces chamber openings from 450mm (17¾") to 350mm (13¾") diameter.
- Secure installation with screw holes and snap-in clips for reliable fixing.
- Compatible with both square and round inspection chamber frames.
- Designed for inspection chambers with invert depths greater than 1.2 metres.
- Robust polypropylene construction withstands up to 50kN loading when supported by a concrete plinth.
The Brett Martin B6350 Inspection Chamber Reducer is designed for plumbers, civil engineers, and drainage professionals who need to safely reduce 450mm chamber openings to 350mm. Its tough polypropylene build offers reliable durability and straightforward installation, making it a practical choice for both new projects and retrofits.
Application
This reducer is ideal for deep inspection chambers where the invert level exceeds 1.2 metres, helping to limit access size securely while maintaining compliance. It fits both square and round inspection chamber frames commonly used in drainage and civil engineering works, adapting larger 450mm diameter chambers to smaller, safer openings.
Dimension
- Reduces chamber opening from 450mm (17¾") to 350mm (13¾") diameter.
Material
- Durable polypropylene for long-lasting performance and environmental resistance.
Type
- Inspection chamber reducer for drainage system applications.
Delivery
Important: The following delivery information applies only to orders placed online.
Delivery Times
When placing your order, you will be able to view available delivery times at the checkout.
Please note: while we aim to deliver within 2–3 business days, this is subject to stock availability. A member of our team will be in touch after you place your order to confirm your delivery date.
Click & Collect is also available from selected branches. However, please be aware that stock levels can fluctuate, so we’ll confirm product availability and collection timing once your order is placed.
Delivery Charges
Orders over £150 ex VAT within our local delivery area qualify for free delivery. This excludes palletised or specialist products.
For orders under £150 ex VAT, standard delivery is £7.50 plus VAT. Certain products have specific delivery costs:
- Civil Engineering products: £20 + VAT.
- Roofing Tiles under £249.99 ex VAT: £60 + VAT.
Delivery charges and policies may vary at the discretion of our branches, and we reserve the right to amend them as required.
We offer a variety of delivery options to meet your needs nationwide, including pallet shipping (subject to size and weight restrictions), site delivery, and same-day or next-day delivery via TradeKart (available in selected postcodes).
Delivery charges are calculated based on your location, the products ordered, and your selected delivery method. Final costs will be displayed at checkout. If you have specific delivery requirements, please contact your local branch via our Branch Finder.
For any delivery-related enquiries, please email our sales team at websales@lordsbm.co.uk.
