Purchase this item and get 
Double-ended hose brush for hoses with 12-30 mm diameter.
Key Features:
• For clean hoses on filter and pumps to prevent output reduction caused by soiled hoses.
• Easy to use: push matching end of hose brush through the hose and clean.
• 160cm long – cleaning of all hoses with 12-30cm internal diameter (fits, for instance, to ALL JBL external filters).
• Up to 30% more filter performance, averts a loss in performance: maintains the biological balance in the aquarium.
