I finally received all the part for Odyssea EX350 except installation instruction. This is my very first internal filter / powerhead. I took a picture of all the parts so whoever wants to explain please refer to the picture. My questions are:
1. the sponges are inside plastic cover. Do I take the sponges out of the cover?
2. What is the plastic tube for?
1. the sponges are inside plastic cover. Do I take the sponges out of the cover?
2. What is the plastic tube for?
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