Head to head
Festool CTL 26 EI vs Karcher K5 Power Control Flex
The Festool CTL 26 EI is a mobile dust extractor for connected power tool extraction. The Karcher K5 Power Control Flex is a domestic electric pressure washer for patios, cars and outdoor cleaning.
Last reviewed 13 September 2026
Specifications side by side
| Festool CTL 26 EI | Karcher K5 Power Control Flex | |
|---|---|---|
| Weight | 13.90 kg | 12.4 kg (without accessories) |
| Power consumption | 350-1200 W | - |
| Max airflow | 3900 l/min | - |
| Max vacuum | 24,000 Pa | - |
| Container/filter bag capacity | 26 / 24 litres | - |
| Max pressure | - | 20-145 bar |
| Max flow rate | - | 500 l/h |
| Area performance | - | 40 sq m per hour |
Sources: Festool CTL 26 EI, Karcher K5 Power Control Flex. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the CTL 26 EI if...
The CTL 26 is the workhorse dust extractor that Festool track saw and sander owners buy to complete their system, with Bluetooth auto-start when a connected tool is switched on. It is chosen over generic site vacuums for dust class L filtration and integration with Festool's Systainer storage.
Full CTL 26 EI specifications →Buy or hire the K5 Power Control Flex if...
The K5 sits in Karcher's mid-to-upper domestic range, bought outright by homeowners for regular patio, car and garden furniture cleaning rather than hired. It is frequently the model UK reviewers and retailers use as the benchmark domestic Karcher pressure washer.
Full K5 Power Control Flex specifications →Common questions
What is the difference between the Festool CTL 26 EI and the Karcher K5 Power Control Flex?
The Festool CTL 26 EI is a mobile dust extractor for connected power tool extraction; the Karcher K5 Power Control Flex is a domestic electric pressure washer for patios, cars and outdoor cleaning.
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