bspp

I'm looking for a place to buy two 1/4" female BSPP to 1/4" push connect fittings. I've only been able to find 1/2" and 3/8 inch ones. https://www.freshwatersystems.com/p-2513-john-guest-female-adapter-cone-end-bspp-12-x-12-bspp.aspx I'd also settle for a 1/4" female BSPP to 1/4 inch NPT...