{"product_id":"mk-3-8-metal-bulkhead-o-ring-plug","title":"MistKing 3\/8\" Metal Bulkhead O-Ring \u0026 Plug – Misting Spare","description":"\u003cp\u003eA replacement O-ring and plug set for MK 3\/8\" metal bulkheads, designed to keep your vivarium or terrarium misting system sealed and leak-free. Essential to have on hand if you run a misting setup where a failed seal or missing plug can disrupt humidity control or cause water ingress around the enclosure.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eThis pack contains the O-ring and blanking plug specific to the MK 3\/8\" metal bulkhead fitting. The O-ring maintains a watertight seal at the bulkhead joint, while the plug allows you to blank off an unused bulkhead port cleanly without removing the fitting itself.\u003c\/p\u003e\u003ch3\u003eWhen You Need This\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or perished O-ring that is causing drips or seepage at the bulkhead\u003c\/li\u003e\n\u003cli\u003eBlanking off a spare bulkhead outlet on a reservoir, vivarium panel, or distribution manifold\u003c\/li\u003e\n\u003cli\u003eRestocking consumable spares so a seal failure doesn't take your misting system offline\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eSized specifically for MK 3\/8\" metal bulkhead fittings. If you are running MK misting components throughout your setup, this is the correct replacement part — do not substitute with generic O-rings, as an incorrect size will not seal reliably under system pressure.\u003c\/p\u003e\u003cp\u003eKeeping a spare set means a worn seal is a two-minute fix rather than a problem that leaves your reptiles without humidity overnight.\u003c\/p\u003e","brand":"Peregrine","offers":[{"title":"Default Title","offer_id":54147144810833,"sku":"CMK137","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0403\/8225\/files\/CMK137_1.jpg?v=1782592693","url":"https:\/\/viperia.co.uk\/products\/mk-3-8-metal-bulkhead-o-ring-plug","provider":"Viperia UK","version":"1.0","type":"link"}