Complex sentence: As the pump motor draws water in through the bottom of the cleaner, this water travels through filter bags and out the top outlet of the cleaner, which also provides the suction that allows it to clean the sides of the pool.
Split into simpler sentences: As the pump motor draws water in through the bottom of the cleaner. This water travels through filter bags and out the top outlet of the cleaner, which also provides the suction that allows it to clean the sides of the pool.