Fitting Size (in.)
Filter Rating
Material Type
Customer Rating
+ Above
+ Above
Brand
Buyers Extra Element for Item# 4020
![Buyers Extra Element for Item# 4020]( "Buyers Extra Element for Item# 4020")
Buyers Extra Element for Item# 4020
Item# 4021
Breather Cap — 1in. NPT Size
![Breather Cap — 1in. NPT Size]( "Breather Cap — 1in. NPT Size")
Breather Cap — 1in. NPT Size
Item# 403006
Filler Strainer Breather Cap Assembly
![Filler Strainer Breather Cap Assembly]( "Filler Strainer Breather Cap Assembly")
Filler Strainer Breather Cap Assembly
Item# 40101
5 / 5
5 / 5
5 / 5
Item# 4021
Item# 403006
Item# 40101
Only $11.99
Only $9.99
Only $14.99
Breather Cap — 3in. Dia.
![Breather Cap — 3in. Dia.]( "Breather Cap — 3in. Dia.")
Breather Cap — 3in. Dia.
Item# 403005
Buyers Breather Cap
![Buyers Breather Cap]( "Buyers Breather Cap")
Buyers Breather Cap
Item# 4030
Filter Strainer Breather Cap — 3in. Dia.
![Filter Strainer Breather Cap — 3in. Dia.]( "Filter Strainer Breather Cap — 3in. Dia.")
Filter Strainer Breather Cap — 3in. Dia.
Item# 4032
5 / 5
3 / 5
Item# 403005
Item# 4030
Item# 4032
Only $8.99
Only $6.99
Only $12.99
Breather Cap — 1/2in. NPT Size
![Breather Cap — 1/2in. NPT Size]( "Breather Cap — 1/2in. NPT Size")
Breather Cap — 1/2in. NPT Size
Item# 403004
Breather Cap Assembly With Locking Tab
![Breather Cap Assembly With Locking Tab]( "Breather Cap Assembly With Locking Tab")
Breather Cap Assembly With Locking Tab
Item# 40102
Buyers Push On Breather Cap — 1 1/2in. Dia.
![Buyers Push On Breather Cap — 1 1/2in. Dia.]( "Buyers Push On Breather Cap — 1 1/2in. Dia.")
Buyers Push On Breather Cap — 1 1/2in. Dia.
Item# 40601
Item# 403004
Item# 40102
Item# 40601
Only $6.99
Only $14.99
Only $9.99
Hydraulic Cylinder Breather Cap — 1/2in. Dia.
![Hydraulic Cylinder Breather Cap — 1/2in. Dia.]( "Hydraulic Cylinder Breather Cap — 1/2in. Dia.")
Hydraulic Cylinder Breather Cap — 1/2in. Dia.
Item# 9011
Breather Cap — 1/4in. NPT Size
![Breather Cap — 1/4in. NPT Size]( "Breather Cap — 1/4in. NPT Size")
Breather Cap — 1/4in. NPT Size
Item# 403002
Item# 9011
Item# 403002
Only $6.99
Only $4.49
Why Buy from Northern Tool + Equipment?
