Bathtub & Shower Drain Hair Catcher is used for catching hair and soap debris at bathtub and shower drains so the trap and waste pipe stay clear. ASME A112.18.2 is the reference cited for it on drawings, datasheets and purchase orders.
What ASME A112.18.2 Means for Bathtub & Shower Drain Hair Catcher
The dimensions in the table below are supplied to suit ASME A112.18.2. Where the standard sets requirements for the finished appliance, device or system, compliance testing of that assembly stays with its manufacturer; we supply the metal mesh part to the drawing and can provide material certificates and dimensional reports with the shipment.
Bathtub & Shower Drain Hair Catcher Dimensions
| Size | Top diameter (mm) | Depth (mm) | Hole diameter (mm) | Type |
|---|---|---|---|---|
| Flat 70 | 70 | 3 | 1.5 | Flat etched disc + knob |
| Cup 38 | 38 | 25 | 1.2 | Drop-in cup |
| Square 100 | 100 | 5 | 2.0 | Linear drain cover |
Specifying Bathtub & Shower Drain Hair Catcher Beyond the Standard
- Type: Flat disc with a lift knob, a drop-in cup, or a linear grate.
- Hole size: 1.2–2 mm catches hair while water drains freely.
- Finish: Brushed or polished SS304 matches chrome fittings.
When Bathtub & Shower Drain Hair Catcher Is Not the Right Choice
Not a replacement for the trap; it only stops hair at the surface.
