“All bottles are made of polyethersulfone which is free of BPA, PVC, and phthalate.”
“Bottles made of polyethersulfone can also be purchased and these are advertised as “B-free”.”
“Do you prefer the significatly less tested polyethersulfone bottles or breakable glass bottles?”
“Each tube was embedded in insulating polyethersulfone.”
“No. 7 bottles made with BPA-free polyethersulfone (PES) won’t have the PC marking.”
“No. 7 bottles made with BPA-free polyethersulfone PES won’t have the PC marking.”
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