Fernco Jim Cap, 4"
4" Fernco Jim Cap designed to seal the ends of open pipe in drain, waste, and vent systems. Constructed from flexible, durable PVC and secured with a stainless steel clamp to ensure a tight, leak-resistant seal. Suitable for temporary or permanent use on cast iron, steel, copper, or plastic piping. Commonly used for capping unused lines or during system pressure testing. Meets industry plumbing standards.















