• 

  3/8" NPT Metal Sight Glass

  $9.01 $10.02

• 

  1/2" NPT Metal Sight Glass

  $9.37 $10.41

• 

  3/4" NPT Metal Sight Glass

  $10.59 $11.77

• 

  1" NPT Metal Sight Glass

  $18.50 $20.56

• 

  1-1/4" NPT Metal Sight Glass

  $28.04 $31.16

• 

  1-1/2" NPT Metal Sight Glass

  $38.77 $43.08

• 

  2" NPT Metal Sight Glass

  $47.26 $52.51