The Mangrove Jack’s Hop Spider keeps hops together during the boil. It can be used on all appropriate sized boil pots, including the Grainfather. 

Made with a coarser, 800 micron mesh, for maximum wort flow and increased hop utilisation. 

Specs
Diameter: 15 cm 
Length: 30 cm 
Material: 800 micron 304 grade stainless steel mesh, with stainless steel support band and single hook.