Fill Plug with O-Ring, Compatible with Grainger Part Number 2PB40, 2PB41, 6B275, 6D794, Compatible with Manufacturer Part Number L08-01-KK00, L08-01-KL00, L08-02-KK00, L08-02-KL00, Series LRP, Accessory Type Fill Plug Kit, Compatible with Brand Wilkerson, Compatible with Series L08