diff --git a/i3pystatus/disk.py b/i3pystatus/disk.py
index ddbe673..f053901 100644
--- a/i3pystatus/disk.py
+++ b/i3pystatus/disk.py
@@ -16,18 +16,30 @@ class Disk(IntervalModule):
     settings = (
         "format", "path",
         ("divisor", "divide all byte values by this value, commonly 1024**3 (gigabyte)"),
+        ("display_limit", "limit upper witch one the module isn't display"),
+        ("critical_limit", "limit under witch one the disk space is critical"),
+        ("critical_color", "the critical color"),
     )
     required = ("path",)
     color = "#FFFFFF"
+    critical_color = "#FF0000"
     format = "{free}/{avail}"
     divisor = 1024 ** 3
+    display_limit = float('Inf')
+    critical_limit = 0
 
     def run(self):
         stat = os.statvfs(self.path)
+        available = (stat.f_bsize * stat.f_bavail) / self.divisor
+
+        if available > self.display_limit:
+            self.output = {}
+            return
+
         cdict = {
             "total": (stat.f_bsize * stat.f_blocks) / self.divisor,
             "free": (stat.f_bsize * stat.f_bfree) / self.divisor,
-            "avail": (stat.f_bsize * stat.f_bavail) / self.divisor,
+            "avail": available,
             "used": (stat.f_bsize * (stat.f_blocks - stat.f_bfree)) / self.divisor,
             "percentage_free": stat.f_bfree / stat.f_blocks * 100,
             "percentage_avail": stat.f_bavail / stat.f_blocks * 100,
@@ -37,5 +49,6 @@ class Disk(IntervalModule):
 
         self.output = {
             "full_text": self.format.format(**cdict),
-            "color": self.color
+            "color": self.color if available > self.critical_limit else self.critical_color,
+            "urgent": available > self.critical_limit
         }