Vent Replacement Kit For NB20 Enclosures

These Vent Replacement Kits are ideal for situations where you need to replace a damaged filter screen. The 14-18" Kits include four #6 Stainless Steel Screws and four #6 Speed Nuts along with one Filter Screen & the 20" Kits include four #6 Stainless Steel Screws and four #8 Speed Nuts along with one Filter Screen.