Can this hood be used in both ducted and recirculating modes?

Yes. The extraction system can be ducted out or used in re–circulation mode. Compatible charcoal filters are available for use when re–circulating.

What is the minimum installation height above the hob?

The minimum distance from a gas hob is 750 mm and from an electric hob is 650 mm.

How many speeds does the KLTI12L4X offer?

The hood has 3 standard speeds plus an intensive speed for extra fast extraction when required.

How does the 24h air filter function work?

When selected, the 24h function refreshes the air for about 10 minutes every hour over a 24–hour period at minimum speed and at an imperceptible noise level.

How will I know when to change the filters?

The hood includes warning light(s) that advise when the filters need changing, supported by a filter replacement indicator.

Is there a black version of this island hood?

Yes. An alternative matte black model is available with the code KLTI12L4MB.

Product Information Sheet

Smeg Alta Island Hood

SKU: KLTI12L4X

Woodalls 1053–1055 Finchley Road, London, NW11 7ES
+44 (0)208 455 3925 · [email protected] · www.woodalls.co.uk

Mon–Fri: 9:00am – 5:00pm | Sat–Sun: Closed

Printed 12 June 2026

Smeg KLTI12L4X Alta Island Hood

SKU: KLTI12L4X · EAN: 8017709312244

Stainless Steel

The Smeg KLTI12L4X is a 120 cm T flat island cooker hood in brushed stainless steel and black glass, designed for universal kitchen settings. It offers ducted out or re–circulation extraction with touch control, three speeds plus intensive, and LED lighting with dimmer function. With an A energy efficiency rating, aluminium anti–grease filters and a 24h air filter function, it is suitable for users seeking effective island ventilation with flexible installation options.

2 Year Warranty

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Product family	Hood
Hood type	Island Cooker Hoods
Design	T flat
Aesthetics	Universal
Material	Stainless Steel + Glass
Type of steel / finishing	Brushed
Colour	Stainless Steel and Glass – Black glass
Logo	Silk screen
Hood width	120 cm
Extraction type	Ducted out or re–circulation possible
Electronic control	Yes
Control setting	Touch control back–lighted, white LED colour
Number of speeds	3 + intensive speed
24h air filter function	Yes
Time–setting options	Yes (switch off automatically after pre–set time)
Auto–Vent 2.0	Yes – connection between hob and hood supported
Number of lights	2
Light type / power	LED, 7.4 W (Normal Power of light system 15 W)
Dimmer mode	Yes
Light colour temperature range	2700 – 4000 K
Free outlet maximum capacity	820 m³/h
Maximum extraction rate	560 m³/h (IEC 61591)
Intensive extraction rate	739 m³/h (IEC 61591)
Air flow at minimum speed (Qmin)	220 m³/h
Motor power	275 W
Number of filters	3 aluminium anti–grease filters
Filter replacement indicator	Yes (warning light to advise when filters need changing)
Vent outlet diameter	150 mm with tube reduction and non return valve
Minimum distance from gas hob	750 mm
Minimum distance from electric hob	650 mm
Annual Efficiency Consumption (AEChood)	55 kWh/year
Energy efficiency class (EEC)	A
Fluid Dynamic Efficiency (FDE)	33,9
Fluid Dynamic Efficiency class (FDEC)	A
Lighting Efficiency (LE)	20,3 lux/W
Lighting Efficiency Class (LEC)	D
Grease Filtering Efficiency (GFE)	73,2 %
Grease Filtering Efficiency Class (GFEC)	D
Measured air flow at best efficiency point (Qbep)	384 m³/h
Measured air pressure at best efficiency point	376 Pa
Measured electric power input at best efficiency point (Wbep)	151 W
Average illumination on cooking surface (Emiddle)	300 lux
Energy Efficiency Index per first cavity	51,5
Airborne acoustical sound at minimum speed (SPEmin)	43 dBA
Airborne acoustical sound at maximum speed (SPEmax)	66 dBA
Airborne acoustical sound at boost speed (SPEboost)	71 dBA
Sound power level at highest setting (Lwa)	66 dBA
Noise level IEC 60704-2-13 – Speed 1	43 dBA at 220 m³/h
Noise level IEC 60704-2-13 – Speed 2	53 dBA at 335 m³/h
Noise level IEC 60704-2-13 – Speed 3	65 dBA at 560 m³/h
Noise level IEC 60704-2-13 – Intensive	71 dBA at 739 m³/h
Nominal power	291 W
Voltage	220–240 V
Frequency	50–60 Hz
Power supply cable length	1500 mm
EAN code	8017709312244
Model code	KLTI12L4X

Delivery & Returns

Delivery

Free delivery to London addresses to ground floor only (service lift access accepted). Some appliances carry standard manufacturer delivery charges — confirmed at time of quotation. UK mainland delivery available for an additional charge. Lead times vary by make, model, and manufacturer availability.

Installation

We do not install appliances. We can recommend vetted fitters operating within London — payments are made directly with the fitter. Woodalls accepts no responsibility for installation work carried out by any third party.

Returns

14-day return window from the day after delivery. Items must be unused, uninstalled, and in original packaging. View our full returns policy →

Authorised Dealer

All products are supplied as an authorised Smeg dealer, with full manufacturer warranty. Established 1967.