20"

Showing all 3 resultsSorted by price: high to low

Showing all 3 resultsSorted by price: high to low

Buying Guide: 20"

Looking for the best 20" for your project? Big Irrigation Supply Australia carries 3+ professional-grade 20" products from trusted brands like NDS, Advanced Drainage Systems. Fast shipping across Australia.

How to Choose the Right 20"

  • Consider your project size — residential installations may need different specs than commercial.
  • Check compatibility — make sure components work with your existing system.
  • Compare brands — we carry multiple professional brands so you can find the best fit.
  • Read specifications — product pages include detailed specs and installation guides.

Need help choosing? Our team of irrigation and landscape lighting professionals is ready to help. Browse our full selection of 20" or contact us for expert advice.