diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 088df35..a2b025d 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartstream',
-  version: '2.0.7',
+  version: '2.0.8',
   description: 'simplifies access to node streams'
 }
diff --git a/ts/index.ts b/ts/index.ts
index 116b3da..29426ef 100644
--- a/ts/index.ts
+++ b/ts/index.ts
@@ -1,3 +1,4 @@
+export * from './smartstream.classes.passthrough.js';
 export * from './smartstream.classes.smartstream.js';
 export * from './smartstream.classes.streamwrapper.js';
 export * from './smartstream.classes.streamintake.js';
diff --git a/ts/smartstream.classes.passthrough.ts b/ts/smartstream.classes.passthrough.ts
new file mode 100644
index 0000000..db62c9c
--- /dev/null
+++ b/ts/smartstream.classes.passthrough.ts
@@ -0,0 +1,19 @@
+import * as plugins from './smartstream.plugins.js';
+
+export class PassThrough extends plugins.stream.Duplex {
+  constructor(options?: plugins.stream.DuplexOptions) {
+    super(options);
+  }
+
+  _read(size: number): void {
+    // No-op: Data written will be automatically available for reading.
+  }
+
+  _write(chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void {
+    if (this.push(chunk, encoding)) {
+      callback();
+    } else {
+      this.once('drain', callback);
+    }
+  }
+}
\ No newline at end of file