What is Reddit's opinion of 2PCS Non Return Check Valve, 1/4 inch (6mm) PVDF Wear-Resistant One-Way Diaphragm Check Valve, High Temperature Resistant, Strong Acid and Strong Alkali Resistant Check Valve for Fuel Gas Liquid Air?

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Well then you’d need a smaller valve than I got. The once’s I ordered we’re 1/4 inch and I had to force it over with pliers

2PCS Non Return Check Valve, 1/4 inch (6mm) PVDF Wear-Resistant One-Way Diaphragm Check Valve, High Temperature Resistant, Strong Acid and Strong Alkali Resistant Check Valve for Fuel Gas Liquid Air https://www.amazon.com/dp/B089YVV23M/ref=cm_sw_r_cp_api_glt_fabc_GF5YD1ZZMCN9A5F8JSG8?_encoding=UTF8&psc=1

1/4 diaphragm valves work as a more reliable replacement to fish tank valves. https://www.amazon.com/dp/B089YVV23M/ref=cm_sw_r_cp_apa_glt_fabc_S3F74WX0RS4AMB0AP6WV

Lowes does not have them.

https://www.amazon.com/dp/B089YVV23M/ref=cm_sw_r_cp_apa_glc_fabc_TBS7HFB0HK70E3FYMK7X