Dear Customer,
Thank you for your support. Yes, the dual top with G1/4" has been EOL and we do not have any stock now. But we have a few pcs of the G3/8" acrylic version in stock.
You can use the fitting BP-WTP-C23 to exchange the thread to G1/4". Any questions, feel free to contact us.
https://shop.bitspower.com/index.php?route=product/search&search=BP-2D5TOPACEX
https://shop.bitspower.com/index.php?route=product/search&search=C23