| Dimension WxHxD | Air Flow | Resistance | Adsorbent Volume | ||||||
| Frame (mm) | Frame (inch) | Tray (Element) (mm) | Tray (Element) (inch) | (CMH) | (CFM) | (Pa) | (in.w.g.) | (ft²) | |
| PT-20W-8tray | 610x610x610 | 24 × 24 × 24 | 590x600x45 | 23 × 24 × 1.77 | 3,400 | 2,001 | <180@2.5m/s | <0.72 @ 492 FPM | 4.1 |
| PT-20WH-8tray | 610x305x610 | 24 × 12 × 24 | 590x295x45 | 23 × 12 × 1.77 | 1,700 | 1,001 | <180@2.5m/s | <0.72 @ 492 FPM | 2.0 |
| PT-20W-10tray | 610x610x610 | 24 × 24 × 24 | 590x600x30 | 23 × 24 × 1.18 | 3,400 | 2,001 | <150@2.5m/s | <0.60 @ 492 FPM | 3.4 |
| PT-20WH-10tray | 610x305x610 | 24 × 12 × 24 | 590x295x30 | 23 × 12 × 1.18 | 1,700 | 1,001 | <150@2.5m/s | <0.60 @ 492 FPM | 1.7 |
| PT-20 | 610x610x420 | 24 × 24 × 16.5 | 410x600x36 | 16 × 24 × 1.42 | 3,400 | 2,001 | <120@2.5m/s | <0.48 @ 492 FPM | 2.2 |
| PT-20H | 610x305x420 | 24 × 12 × 16.5 | 410x295x36 | 16 × 12 × 1.42 | 1,700 | 1,001 | <120@2.5m/s | <0.48 @ 492 FPM | 1.1 |
| PT-10 | 610x610x210 | 24 × 24 × 8.3 | 205x600x33 | 8 × 24 × 1.30 | 1,700 | 1,001 | <80@2.5m/s | <0.32 @ 492 FPM | 1.0 |
| PT-20H | 610x305x210 | 24 × 12 × 8.3 | 205x295x33 | 8 × 12 × 1.30 | 850 | 500 | <80@2.5m/s | <0.32 @ 492 FPM | 0.5 |