DN 15,DN20. filter+check valve 2 in 1.
ceramic disc seal ensure no leak and quick open-off. mini size,low price |
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| specifications︰ | DN 15,DN20. filter+check valve 2 in 1.
ceramic disc seal ensure no leak and quick open-off. mini size,low price |
| Advantages︰ | ceramic disc seal ensure no leak and quick open-off. mini size,low price |
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