diff --git a/src/Filtering/Filter.coffee b/src/Filtering/Filter.coffee
index 625cf4959..261c83539 100644
--- a/src/Filtering/Filter.coffee
+++ b/src/Filtering/Filter.coffee
@@ -145,6 +145,7 @@ Filter =
   uniqueID:   (post) -> post.info.uniqueID
   tripcode:   (post) -> post.info.tripcode
   capcode:    (post) -> post.info.capcode
+  pass:       (post) -> post.info.pass
   subject:    (post) -> post.info.subject
   comment:    (post) -> (post.info.comment ?= Build.parseComment post.info.commentHTML.innerHTML)
   flag:       (post) -> post.info.flag
@@ -173,6 +174,7 @@ Filter =
         ['Unique ID',        'uniqueID']
         ['Tripcode',         'tripcode']
         ['Capcode',          'capcode']
+        ['Pass Date',        'pass']
         ['Subject',          'subject']
         ['Comment',          'comment']
         ['Flag',             'flag']
diff --git a/src/General/Build.coffee b/src/General/Build.coffee
index a0c1fb842..8c56913eb 100644
--- a/src/General/Build.coffee
+++ b/src/General/Build.coffee
@@ -49,6 +49,7 @@ Build =
       email:    Build.unescape data.email
       name:     Build.unescape(data.name) or ''
       tripcode: data.trip
+      pass:     if data.since4pass? then "#{data.since4pass}" else undefined
       uniqueID: data.id
       flagCode: data.country
       flag:     Build.unescape data.country_name
@@ -101,7 +102,7 @@ Build =
 
   post: (o) ->
     {ID, threadID, boardID, file} = o
-    {subject, email, name, tripcode, capcode, uniqueID, flagCode, flag, dateUTC, dateText, commentHTML} = o.info
+    {subject, email, name, tripcode, capcode, pass, uniqueID, flagCode, flag, dateUTC, dateText, commentHTML} = o.info
     {staticPath, gifIcon} = Build
 
     ### Post Info ###
diff --git a/src/General/Build/PostInfo.html b/src/General/Build/PostInfo.html
index b03aa98f0..a52268897 100644
--- a/src/General/Build/PostInfo.html
+++ b/src/General/Build/PostInfo.html
@@ -5,6 +5,7 @@
     ?{email}{<a href="mailto:${encodeURIComponent(email).replace(/%40/g, "@")}" class="useremail">}
       <span class="name?{capcode}{ capcode}">${name}</span>
       ?{tripcode}{ <span class="postertrip">${tripcode}</span>}
+      ?{pass}{ <span title="Pass user since ${pass}" class="n-pu"></span>}
       ?{capcode}{ <strong class="capcode hand id_${capcodeLC}" title="Highlight posts by ${capcodePlural}">## ${capcode}</strong>}
     ?{email}{</a>}
     ?{boardID === "f" && !o.isReply || capcode}{}{ }
diff --git a/src/General/Settings/Filter-select.html b/src/General/Settings/Filter-select.html
index 38a2e15ab..e13c9fa64 100644
--- a/src/General/Settings/Filter-select.html
+++ b/src/General/Settings/Filter-select.html
@@ -5,6 +5,7 @@
   <option value="uniqueID">Unique ID</option>
   <option value="tripcode">Tripcode</option>
   <option value="capcode">Capcode</option>
+  <option value="pass">Pass Date</option>
   <option value="subject">Subject</option>
   <option value="comment">Comment</option>
   <option value="flag">Flag</option>
diff --git a/src/classes/Post.coffee b/src/classes/Post.coffee
index fd251bd40..968b7d950 100644
--- a/src/classes/Post.coffee
+++ b/src/classes/Post.coffee
@@ -30,6 +30,7 @@ class Post
       tripcode:  @nodes.tripcode?.textContent
       uniqueID:  @nodes.uniqueID?.firstElementChild.textContent
       capcode:   @nodes.capcode?.textContent.replace '## ', ''
+      pass:      @nodes.pass?.title.match(/\d*$/)[0]
       flagCode:  @nodes.flag?.className.match(/flag-(\w+)/)?[1].toUpperCase()
       flag:      @nodes.flag?.title
       date:      if @nodes.date then new Date(@nodes.date.dataset.utc * 1000)
@@ -67,6 +68,7 @@ class Post
       tripcode:   $ '.postertrip',         info
       uniqueID:   $ '.posteruid',          info
       capcode:    $ '.capcode.hand',       info
+      pass:       $ '.n-pu',               info
       flag:       $ '.flag, .countryFlag', info
       date:       $ '.dateTime',           info
       nameBlock:  $ '.nameBlock',          info
diff --git a/src/config/Config.coffee b/src/config/Config.coffee
index e966aeb2b..49831afc1 100644
--- a/src/config/Config.coffee
+++ b/src/config/Config.coffee
@@ -672,6 +672,11 @@ Config =
       #/Admin$/;highlight:admin;op:yes
     """
 
+    pass: """
+      # Filter anyone using since4pass:
+      #/./
+    """
+
     subject: """
       # Filter Generals on /v/:
       #/general/i;boards:v;op:only