Medical study comparing the "time until first bite" for 16 commercial insect repellent products (zero to 300 minutes).
[Eric H. Chudler, Ph.D., USA]
Study published in the New England Journal of Medicine comparing seven brand-name DEET and non-DEET repellents. Shows some highly-touted products are virtually useless.
[North Queensland Laboratories Pty Ltd, Manunda, Queensland, Australia]Note: See related topics Hatches and Ports. Those manufacturers all make screens to fit their products.
Flat stainless-steel wire screens for Bomar hatches in many sizes.
[Bomar Inc., Charlestown, NH, USA]
Fabric covers for square, rectangular, and round hatches (13 sizes) with drawstring attachment. Also mosquito netting hatch covers.
[Interfield Sports B.V., Katwijk, the Netherlands]
Bronze screen inserts for three shapes of portlight on the classic Concordia yawl. Might just fit your ports.
[Concordia Company, Inc., South Dartmouth, MA, USA]
Selection of round, oval, rectangular, and elliptical insect screens for portholes of various sizes.
[Mariner's Hardware, Petaluma, CA, USA]
Covers and screens keep bugs and spray out.
[Standout Yacht Fittings, Longbranch, WA, USA]
Insect screens for deck hatches and companionway opening in four sizes. Hatches can be opened, closed and adjusted from inside. Companionway model requires no fittings or Velcro.
[Sogeman, LaSalle, QC, Canada]
Makes bug screens for deck hatches in 19 sizes.
[Sea Frost, Barrington, NH, USA]