Segmentation by types of film fills classifies products into splash‑fill, splash‑plate, grid‑pack, and diamond‑mesh configurations, each further divided by construction material such as PVC, polypropylene, and stainless‑steel. Splash‑fill designs, typically fabricated from PVC, excel in low‑pressure environments and contribute to cost‑effective installations, capturing a modest share of the market due to limited thermal performance. Splash‑plate fills, often polypropylene, provide higher heat‑transfer efficiency and are favored in medium‑load applications, thus holding a larger market proportion. Grid‑pack fills, constructed from stainless‑steel, deliver superior durability and corrosion resistance, making them prevalent in power‑generation and petrochemical settings where longevity outweighs initial expense. Diamond‑mesh fills, also stainless‑steel, offer the highest surface area per unit volume, optimizing heat removal in high‑load scenarios and commanding the premium segment of the market. The material‑specific sub‑categories influence capital outlay, maintenance cycles, and overall lifecycle cost, thereby shaping the market’s structural composition.