This is ourhighest flowsullage hose, when configured correctly it's flow rate is easily capable of handling a washing machine plumbed driectly. 
The unit contains a 3m and 6m length with a joiner (giving 3, 6 or 9m options for use). For the best flow, use the shortest piece of hose you have that reaches the drain each time. 
Traditional 32mm grey water hoses are very bulky, this unitsaves you a considerable amount of spacein your storage bay, is rediculously durable and super simple to set up and pack away. 

Specifications

• Includes: 1 x 3m plus 1x 6m 32mm hose, Multi-Reel, 2 End-Caps, 1 barbed straight joiner & 1 barbed elbow drain adaptor.
• Weight: 3.2kg inlcuding reel and attachments
• Dimensions: 37cm diameter reel, visit Multi-Reel page for more detail
• Stacks beautifully with any other Flat Out product code starting with M.

If you always use your grey water tank, our25mm version (M3/M3K) is lighter and smaller and thus might be worth considering.