Start with Tagelus?, a sand filter that's been a leader for years. Combine it with the proven, efficient, and durable Dynamo? pump. The result is a filtration and circulation system engineered to provide superior performance, longevity, and lifetime value. Now Available with ClearPro Technology? for 60% Cleaner WaterTagelus? Top Mount Filter with ClearPro Technology?, removes particles up to five times smaller than traditional sand filters, well below what your eye can detect for water that truly sparkles with clarity. The ClearPro secret is a proprietary, porous tube that water must pass through before re-entering the pool. It creates a final barrier to the very smallest particles that sand cannot trap, including the finest dust particles, algae and pollens.