Genuine Barnes & Jones 4019 Cage Unit 1/2" Type A Diaphragm. Use existing cover.
- Barnes & Jones 1/2" M12
- Barnes & Jones 1/2" M122
- Barnes & Jones 1/2" X 3/4" H12
- Barnes & Jones 1/2" H120
- Barnes & Jones 1/2" H122
Quality Plumbing Supply is a proud distributor of Barnes & Jones products. This Barnes & Jones 4019 Cage Unit 1/2" Type A Diaphragm is a direct replacement manufactured by Barnes & Jones. Order this Barnes & Jones 4019 Cage Unit 1/2" Type A Diaphragm today. Most orders usually ship the same day and we offer free shipping for orders over $99!