diff --git a/README.md b/README.md
index 6483428c3ab0105968ebba63a70cfc019e4004ce..4d725169388b4ce971f34bc049821b1394c76da9 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,8 @@ https://gitlab.cba.mit.edu/pub/coronavirus
 - https://gitlab.cba.mit.edu/alfonso/fabshield
 - https://gitlab.cba.mit.edu/alfonso/covid-isolation-box
 - https://gitlab.cba.mit.edu/zfredin/negative-pressure-covid-box
+- https://gitlab.cba.mit.edu/camblackburn/filter_testing
+- https://camblackburn.pages.cba.mit.edu/filter_media/
 
 ### 10:30A EDT Tue May 18