Refillable & Resealable Design: Fill with your own custom joint sealant mix and reseal between uses with the included cap, preventing drying out and reducing material waste Precise Application in Tight Spaces: The cartridge nozzle enables targeted, controlled delivery of sealant into corners, edges, and joints that are difficult to reach with a spatula or trowel Universal Compatibility with Standard Guns: Fits all commercially available 310 ml cartridge presses, so you can use the tools you already own without adapting your setup Pack of Three 310 ml Cartridges: Each cartridge holds up to 310 ml of sealant, giving you ample capacity across multiple sealing tasks without the need to reorder mid-project Robust and Reliable Build Quality: Constructed to withstand the pressure of a standard caulking gun, these durable cartridges are suited for repeated DIY use around the home, Weight: 0.440924525 Pounds, Manufacturer: wolfcraft