Specifications: Length: 180mm Weight: 50g Gross weight:80g Capacity: filters up to 800L of water. Note:4 colors shipps randomly Package size:20*5*2.8cmTips:1. The pipe inner hole can not fall into the dust， sand or something like that to avoid blocking pipe fittings.2. drain away all water of hole in case of icing in cold season.3. Do not store with spikes items.