Waterco 3761053NA Trimline C50 Leaf Trapper Filter - The Trimline Leaf Trapper incorporates a high quality durable bag filter, which enables high volume leaf and debris capture. The lid is clear for quick visual inspection of the filter bag. The Trimline Leaf Trapper is ideal for installation in areas with high leaf and debris collection prior to a pool's finer filtration system. The Trapper is compact and economical, perfect for negative edge pools and in floor cleaning stems.