If you want to add more tubes to your filtration systems , you should use the Double Slip Bulkhead Fitting from Petstore.com to make this job much easier. This part is perfect for bring together tubes that have a thickness of two inches. This product allows you to join devices and tubes together with ease. This is especially useful when you want to pump water into your aquarium or pond from a long distance. The Double Slip Bulkhead Fitting is very durable, even though it is made from plastic. It is meant to be attached to PVC tubes, which are most commonly used when maintain aquariums. It can withstand an enormous amount of pressure from the water that is being constantly pumped through it. It is low maintenance, and you don't have to check it regularly to see how well it's holding up. The Double Slip Bulkhead Fitting is also simple to clean, operate, and install without using much tools. With the Double Slip Bulkhead Fitting, it is now possible for you to add as many attachments to your aquarium systems without having to take up too much space. Not only will this make your tank look great, but your aquatic inhabitants will really appreciate the effort that you've put in to install devices that work subtly but effectively.