Alpha Air Ventilation Supplies
MM

INCH

Plastic Circular Duct Wall Extension Sleeve – 100mm

Telescopic wall sleeve for 100mm circular plastic ducting, adjustable from 350mm to 500mm to suit varying wall thicknesses. Accepts couplers and wall plates on either face for a clean finished duct path through the wall.

£9.41

20% VAT added at checkout

Made to order. Please allow 3-5 working days for delivery.

Order before 3pm today for delivery by Friday 18th September

SKU: RTR-100-0.35-0.5
Category:

Description

Telescopic wall extension sleeve for 100mm circular plastic ducting, adjustable from 350mm to 500mm. Provides a clean, sized-to-fit duct path through walls of varying thickness, ready to accept couplers and wall plates on either face.

Delivery Information

Made to Order

This item is made to order. Please allow 3-5 working days for delivery.

Delivery Options

ServiceEstimated DeliveryCost
Standard Delivery (UK mainland)Next working day from dispatch£15.95 +VAT (£7.95 for small items)
Free DeliveryNext working day from dispatchFree on orders over £400 ex VAT
Click & CollectCollect from our Leicester branchFree
Scottish Highlands & Islands2-3 working days from dispatch£36.95 +VAT

Delivery Area

We deliver to all UK mainland addresses. Scottish Highlands and Islands deliveries may take a little longer. We are not currently delivering to Northern Ireland — Click & Collect remains available.

Questions about delivery? Call us on 0116 246 0031 or email sales@alphaair.co.uk

Returns Policy

Six-Week Returns — No Restocking Fees

We want you to buy with confidence. You can return any standard stocked item within six weeks (42 days) of delivery for a full refund — 100% of the item price, no restocking or handling fees. Trade and business customers get exactly the same rights as retail customers. See our Returns Policy for full details.

Return Conditions

  • Items must be unused and in original packaging
  • Custom-made, bespoke or powder-coated items are made to your specification and cannot be returned unless faulty
  • Items must be returned with proof of purchase
  • Return shipping costs are the responsibility of the customer unless the item is faulty

How to Return

  1. Contact our customer service team to arrange a return
  2. Pack the item securely in its original packaging
  3. Include your order number and reason for return
  4. Ship the item to our returns address

Faulty Items

If you receive a faulty or damaged item, please let us know as soon as possible — ideally within 48 hours of delivery, so we can claim against the courier on your behalf. We will arrange a free collection and send a replacement or issue a full refund. This does not affect your statutory rights.

Questions? Contact us at sales@alphaair.co.uk

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