# Systemair LDR 40-20 Rectangular Silencer 400x200x950mm

> Price comparison in United Kingdom (GBP). Lowest price right now: **£246.99** at eFans Direct, currently out of stock. 1 offer from 1 shop. Checked 2026-10-08T20:54:32Z.

## Product
- Brand: SystemAir
- Category: [Home & garden](https://pricuro.com/uk/home-garden.md) > [Tools](https://pricuro.com/uk/home-garden/tools.md)
- EAN/GTIN: 7393410509847
- Manufacturer part number: 5069
- Page: https://pricuro.com/uk/p/systemair-ldr-40-20-rectangular-silencer-400x200x950mm-1008111
- Image: https://pricuro.com/img/1008111/800/systemair-ldr-40-20-rectangular-silencer-400x200x950mm.webp

## Offers (1, sorted by total price incl. delivery; used/refurbished last)

| # | Shop | Price | Delivery | Total | Availability | Condition | Buy |
|---|---|---|---|---|---|---|---|
| 1 | eFans Direct | £246.99 | see shop | – | out of stock | new | https://pricuro.com/go/3288970 |

## Price history (lowest price per day in United Kingdom, tracked since 2026-10-03, 6 days)

- Lowest price today: £246.99
- Last 30 days: lowest £246.99, highest £246.99, average £246.99
- All-time low on Pricuro: £246.99 (2026-10-03)
- Note: the history is still short, so it does not yet show whether today's price is a good one.

| Date | Lowest price |
|---|---|
| 2026-10-03 | £246.99 |
| 2026-10-04 | £246.99 |
| 2026-10-05 | £246.99 |
| 2026-10-06 | £246.99 |
| 2026-10-07 | £246.99 |
| 2026-10-08 | £246.99 |

## Specifications


Description (from a shop): The Systemair LDR 400 x 200 x 950mm rectangular duct silencer suppresses noise transmitted along rectangular ducting. It fits immediately before or after Systemair KE, KT, RS and RSI rectangular duct fans.It is supplied with a universal flange suitable for a PG flange or Metu profile. For noise reduction in both the duct and the surroundings, use it together with an insulated fan. 400 x 200 x 950mm Rectangular duct silencer Universal PG/Metu flange Specifications Brand Systemair Type Rectangular duct silencer Dimensions (W x H x L) 400 x 200 x 950mm Flange Universal (PG flange or Metu profile) Suitable fans KE, KT, RS, RSI rectangular duct fans Warranty 1 Year Manufacturer Manuals & GuidesSy…

## Other variants

- [Systemair LDR 70-40 Rectangular Silencer 700 x 400 x 950](https://pricuro.com/uk/p/systemair-ldr-70-40-rectangular-silencer-700-x-400-x-950-1008116.md) – from £479.99
- [Systemair LDR 50-25 Rectangular Silencer 500 x 250 x 950](https://pricuro.com/uk/p/systemair-ldr-50-25-rectangular-silencer-500-x-250-x-950-1008112.md) – from £326.38
- [Systemair LDR 60-30 Rectangular Silencer 600mm x 300mm (Length 950mm)](https://pricuro.com/uk/p/systemair-ldr-60-30-rectangular-silencer-600mm-x-300mm-length-950mm-1008114.md) – from £364.99

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