Round 3.5″ Diameter 3 Hole Plate
$38.00
Round 3.5″ diameter 3 hole plate for SAPPHIRE39 and SAPPHIRE CR44. Note that these are not for filter socks. These holes are 3.5″ diameter that will not fit filter socks. These are made for filter cups from Filter Media Cup without needing the adapter ring (https://filtermediacup.com/) and also the Reef Diapers using their modified flange for 3.5″ diameter holes (https://reefdiaper.com/).
