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Film thickness | Filter name | Filter airflow | Filter diameter | Suitable cultivation environment | Suitable cultivation environment | ||||
Film thickness | Filter name | Filter airflow | Filter diameter | A/C cultivation | Natural cultivation | In-forest culture | |||
ST55-MES40φ | 55μ | ME | High | 40φ | 〇 | ◎ | 〇 | ||
ST55-SMS40φ | 55μ | SM | Normal | 40φ | 〇 | ◎ | 〇 | ||
ST50-MES40φ | 50μ | ME | High | 40φ | 〇 | △ | △ | ||
ST50-SMS40φ | 50μ | SM | Normal | 40φ | 〇 | △ | △ | ||
ST50-XLS40φ | 50μ | XL | Normal | 40φ | 〇 | △ | △ | ||
ST50-20S47φ | 50μ | Tyvek | Low | 47φ | ◎ | △ | △ | ||
ST50-20W40φ | 50μ | Tyvek | Low | 40φ | ◎ | △ | △ | ||
ST40-20W40φ | 40μ | Tyvek | Low | 40φ | ◎ | × | × | ||
Thickness | Characteristic | ||||||
60μ | Since it is thickest, it is strong against pinholes. Suitable for natural cultivation and a lot of moving environment. | ||||||
55μ | It is often used in natural cultivation and pinholes are unlikely to occur. | ||||||
50μ | Standard thickness. Excellent workability and pinhole ratio. | ||||||
45μ | Suitable for environments with many pinholes in cap culture. | ||||||
40μ | Good workability with cap culture | ||||||
Filter name | Filter airflow | Characteristic |
Tyvek | Low | It is often used in air-conditioned cultivation, has high moisturizing properties, and has little contamination of various bacteria. For long-term culture (121 days ~) |
SM | Normal | Good balance of breathability and moisture retention. An all-round filter for all environments. For medium-term culture (91-120days) |
XL | Normal | Widely applicable from air conditioning culture to natural culture. For medium-term culture (91-120 days) |
ME | High | Highly breathable, suitable for short-term culture. For short-term culture (up to 90 days) |
Diameter | Characteristic |
25φ | The smallest size. One side compatible |
30φ | It is used in 1.0 kg size bags. Supports single-sided/double-sided |
40φ | Standard size. Supports single-sided/double-sided. |
47φ | Only Tyvek filter is supported. One side compatible |





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