Paharpur Cooling Towers Ltd. Offers Cooling Tower with Durability and Operational Simplicity. Paharpur Cooling Towers Ltd. Is an ISO 9001 certified company. The company manufactures Cooling Towers and Air Cooled Heat Exchangers. The Cooling Tower with Durability and Operational Simplicity evolves from an impressive ancestry of counter flow towers. The Cooling Tower with Durability and Operational Simplicity is available in in-line and back-to-back configurations with PVC film fill and the famous Paharpur mechanical equipment. Standard drift eliminators are also made from PVC. PVC film fill results in remarkably low pumping heads.