Cooling Tower Film Fills for Counterflow Systems
ThermaCross is a drop-in upgrade for standard 19mm-spaced, cross-fluted fills. When engineering the product, Brentwood developed its patent-pending MicroBoost design to maximize the air-water interface for increased thermal capacity and utilized a more vertical macrostructure for improved fouling resistance.
THERMACROSS OVERVIEW
These design features enable ThermaCross to perform up to 13% better than standard 19mm-spaced products, even matching the performance of 12mm-spaced high efficiency fills at higher fill heights.
BENEFITS
- Balances thermal performance and pressure drop better than existing 19mm-spaced products
- MicroBoost design enables versatility for use in any clean water application, such as HVAC, district cooling, and treated industrial processes
- Available Mechanically Assembled or solvent welded
ThermaCross Film Fill Features
Highly Efficient
Cross-fluted fills offer the highest level of efficiency of all film fill designs, improving heat transfer and maximizing overall tower performance.

Improved Water Distribution
The engineered microstructure incorporated into cross-fluted fills enhances water distribution and thermal mixing.

Dedicated Bond Points
Brentwood’s cross-fluted fills feature bonded edges for added media strength and durability.

Mechanical Assembly
Brentwood’s Mechanical Assembly technology has been improved for the production of ThermaCross, yielding connections that are 50% stronger than glued.

Film Fill Specifications
| PRODUCTS | SURFACE AREA ft2/ft3 |
SHEET SPACING inches |
FLUTE ANGLE degrees (˚) |
SHEETS PER FT | PACK SIZES Minimum D/W/L inches |
PACK SIZES Maximum D/W/L inches |
PACK SIZES Standard D/W/L inches |
NOMINAL GAUGE mils |
DRY WEIGHT lbs/ft3 |
|---|---|---|---|---|---|---|---|---|---|
| ThermaCross | 47 | 0.75 | 22 | 16 | D: 5.9 W: 5.9 L: 12 |
D: 23.625 W: 23.625 L: 144 |
D: 11.8 or 23.625 W: 11.8 L: 72, 96, 120 |
10 or 15 | 1.7 or 2.4 |
| CFS3000 | 31 | 1.18 | 30 | 10 | D: 12 W: 6 L: 12 |
D: 24 W: 24 L: 12 |
D: 24 W: 12 or 24 L: 48, 72, 96, 120 |
15 | 1.7 |
| CF1900SS | 48 | 0.75 | 27 | 16 | D: 12 W: 6 L: 24 |
D: 12 W: 12 L: 72 |
D: 12 W: 12 L: 48, 72 |
5 | 4.8 |
| CF1900 | 48 | 0.75 | 31 | 16 | D: 6 W: 6 L: 12 |
D: 24 W: 24 L: 12 |
D: 12 or 24 W: 12 or 24 L: 48, 72, 96, 120 |
10 or 15 | 1.7 or 2.4 |
| CF1200 | 69 | 0.46 | 30 | 26 | D: 3.9 W: 6 L: 12 |
D: 11.8 W: 12 L: 120 |
D: 11.8 W: 12 L: 48, 72, 96, 120 |
8 or 10 | 2.4 or 2.8 |


