iMeistek Silicone Tubing, 2mm ID × 4mm OD, 7m

iMeistek silicone tubing is listed with a 2mm internal diameter, 4mm external diameter and 7m length. Its narrow bore suits small aquarium pump and air-hose connections, provided the dimensions match your fittings.

At a glance

Listed for air and liquid transfer, including aquarium hoses, pumps, filters and drip irrigation.
The listing describes the flexible tube as resistant to kinking when stretched and suitable for repeated use.
A smooth inner surface is claimed to support fluid flow and easier cleaning.

Price

£6.39Save 20%

Reference price: ~~£7.99~~

Price checked: 12 Nov 2026

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Often bought together

iMeistek Flexible Silicone Tubing, 2mm ID x 4mm OD 7m Length Silicone Hose for Aquarium Pumps and Air Hoses,Black

£9.99

Pros and cons

Pros

The stated 7m length offers a continuous tubing run that can be cut to suit an installation.
The listed 2mm internal and 4mm external diameters make sizing straightforward when checking a matching connector.
The listing claims flexibility and resistance to stretching-related kinking.

Technical specifications

10 specifications

Identity
Brand	iMeistek

Dimensions and materials
Internal diameter	2mm
Outside diameter	4 Millimetres
Nominal wall thickness	1mm
Length	7 Metres
Material listed	Silicone
Colour	Black

Operating properties
Hardness	70 A
Operating temperature (feature listing)	-40℃ to +220℃
Operating temperature (product description)	-40°C to 200°C

What to know before buying

Listing details to confirm

The listing gives conflicting temperature limits: -40℃ to +220℃ in the feature text and -40°C to 200°C in the product description. Confirm the applicable limit before choosing it for temperature-sensitive use. The claims of solvent, acid and alkali resistance, BPA-free and non-toxic composition are not independently substantiated here.

Who is it for?

A good fit for

Aquarium or pump setups requiring tubing that matches a 2mm internal and 4mm external diameter.
Small air or water-transfer runs where flexible black silicone tubing is suitable.
Users who want a longer tubing length to cut for a garden, filter or home project.

Less suited to

Installations needing a different bore or outside diameter, unless a suitable connection is available.
Applications that require a verified temperature rating or documented chemical compatibility.

iMeistek Silicone Tubing, 2mm ID × 4mm OD, 7m · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 8 ratings

5 stars83%83%
4 stars17%17%
3 stars0%0%
2 stars0%0%
1 star0%0%

Only aggregate ratings are supplied, with a small number of ratings and a distribution weighted towards five-star responses. This offers a limited positive signal, but does not identify what customers liked or establish performance. For buyers, fit and the conflicting temperature limits remain more actionable checks than the rating alone.

Frequently asked questions

What size is this tubing?

The listing specifies a 2mm internal diameter, 4mm outside diameter and 1mm nominal wall thickness. Check the dimensions against the fittings before ordering.

How long is the tubing?

The listed length is 7 Metres.

What temperature range does the listing give?

It is inconsistent: the feature text says -40℃ to +220℃, while the product description says -40°C to 200°C. Confirm the relevant limit before use.

What can it be used for?

The listing names air and liquid transfer, aquarium hoses, pumps, filters, drip irrigation, ponds and gardens, home brewing and drainage.